| American Cup | Yacht Racing |
| Ashes | Cricket |
| Benson and Hedges | Cricket |
| Canada Cup | Golf |
| Colombo Cup | Football |
| Corbitton Cup | Table Tennis (Women) |
| Davis Cup | Horse Race |
| Grand National | Horse Streple Chase Race |
| Jules Rimet Trophy | World Soccer Cup |
| King’s Cup | Air Races |
| Merdeka Cup | Football |
| Rydet Cup | Golf |
| Swaythling Cup | Table Tennis (Men) |
| Thomas Cup | Badminton |
| U. Thant Cup | Tennis |
| Uber Cup | Badminton (Women) |
| Walker Cup | Golf |
| Westchester Cup | Polo |
| Wightman Cup | Lawn Tennis |
| World Cup | Cricket |
| World Cup | Hockey |
| Reliance Cup | Cricket |
| Rothman’s Trophy | Cricket |
| William’s Cup | Basketball |
| European Champions Cup | Football |
| Eisenhower Cup | Golf |
| Essandre Champions Cup | Hockey |
| Rene Frank Trophy | Hockey |
| Grand Prix | Table Tennis |
| Edgbaston Cup | Lawn Tennis |
| Grand Prix | Lawn Tennis |
Friday, 28 September 2012
International Trophies and related Sport
National Trophies and related Sports
| Agarwal Cup | Badminton |
| Agha Khan Cup | Hockey |
| All-India Women’s | |
| Guru Nanak Championship | Hockey |
| Bandodkar Trophy | Football |
| Bangalore Blues Challenge Cup | Basketball |
| Barna-Bellack Cup | Table Tennis |
| Beighton Cup | Hockey |
| Bombay Gold Cup | Hockey |
| Burdwan Trophy | Weight-lifting |
| Charminar Trophy | Athletics |
| Chadha Cup | Badminton |
| C.K. Naydu Trophy | Cricket |
| Chakoia Gold Trophy | Football |
| Divan Cup | Badminton |
| Deodhar Trophy | Cricket |
| Duleep Trophy | Cricket |
| DCM Cup | Football |
| Durand Cup | Football |
| Dhyan Chand Trophy | Hockey |
| Dr. B.C. Roy Trophy | Football (Junior) |
| Ezra Cup | Polo |
| FA Cup | Football |
| GD Birla Trophy | Cricket |
| Ghulam Ahmed Trophy | Cricket |
| Gurmeet Trophy | Hockey |
| Guru Nanak Cup | Hockey |
| Gyanuati Devi Trophy | Hockey |
| Holkar Trophy | Bridge |
| Irani Trophy | Cricket |
| IFA Shield | Football |
| Indira Gold Cup | Hockey |
| Jawaharlal Challenge | Air Racing |
| Jaswant Singh Trophy | Best Services Sportsman |
| Kuppuswamy Naidu Trophy | Hockey |
| Lady Rattan Tata Trophy | Hockey |
| MCC Trophy | Hockey |
| Moinuddaula Gold Cup | Cricket |
| Murugappa Gold Cup | Hockey |
| Modi Gold Cup | Hockey |
| Narang Cup | Badminton |
| Nehru Trophy | Hockey |
| Nixan Gold Cup | Football |
| Obaid Ullah Gold Cup | Hockey |
| Prithi Singh Cup | Polo |
| Rani Jhansi Trophy | Cricket |
| Ranjit Trophy | Cricket |
| Rangaswami Cup | Hockey |
| Ranjit Singh Gold Cup | Hockey |
| Rajendra Prasad Cup | Tennis |
| Ramanujan Trophy | Table Tennis |
| Rene Frank Trophy | Hockey |
| Radha Mohan Cup | Polo |
| Raghbir Singh Memorial | Football |
| Rohinton Baria Trophy | Cricket |
| Rovers Cup | Football |
| Sanjay Gold Cup | Football |
| Santosh Trophy | Football |
| Sir Ashutosh Mukherjee | Football |
| Subroto Cup | Football |
| Scindia Gold Cup | Hockey |
| Sahni Trophy | Hockey |
| Sheesh Mahal Trophy | Cricket |
| Todd Memorial Trophy | Football |
| Tommy Eman Gold Cup | Hockey |
| Vittal Trophy | Football |
| Vizzy Trophy | Cricket |
| Vijay Merchant Trophy | Cricket |
| Wellington Trophy | Rowing |
| Wills Trophy | Cricket |
Saturday, 8 September 2012
MCQ For General Studies
Q1.
|
What was the code name of the five nuclear tests conducted by India at Pokhran test site in Rajasthan, in May 1998 ?
(A) Operation Pawan (B) Operation Shakti (C) Operation Vijay (D) Operation Kalki |
Q2. | With which sport are the national tournaments 'Durand Cup' and 'Santosh Trophy' associated ? (A) Hockey (B) Cricket (C) Football (D) Tennis |
Q3.
|
Which freedom fighter co-founded and edited both Marathi newspaper 'Kesari' and English newspaper 'Maratha' ?
(A) Dhondo Keshav Karve (B) Gopal Krishna Gokhle (C) Bal Gangadhar Tilak (D) Gopal Hari Deshmukh |
Q4. | Which body organ is the most affected by Hepatitis ? (A) Liver (B) Lungs (C) Kidney (D) Heart |
Q5. | Jalandhar in Punjab is famous for which indusrty ? (A) Diamond (B) Fireworks (C) Petrochemicals (D) Sport Goods |
Q6. | In which city is the Indian Institute of Petroleum (IIP) located ? (A) Digboi (Assam) (B) Mumbai (Maharashtra) (C) Ankaleshwar (Gujarat)
(D) Dehradun (Uttarakhand)
|
Q7. | Starting from Allahabad in Uttar Pradesh, where does the National Waterway No.1, in Ganga-Bhagirathi-Hooghly rivers, terminate in West Bengal ? (A) Katwa (B) Kolkata (C) Haldia (D) Farakka |
Q8. | Ho Chi Minh City, formerly known as Saigon, is the largest city of which Asian country ? (A) Brunei (B) Vietnam (C) North Korea (D) Malaysia |
Q9. | Who is the first Indian to be appointed the deputy Speaker of the House of Lords (Upper House) of United Kingdom ? (A) Swaraj Paul (B) Meghnad Desai (C) Lakshmi Niwas Mittal (D) Karan Bilimoria |
Q10. | In which Indian city was the world's first fingerprint bureau established, in 1897 ? (A) Shimla (B) Kolkata (C) Chennai (D) Mumbai |
Father of various sector
Father Of Economics -:- Adam Smith(1723-1790), England
Father Of Greek Tragedy -:- Aeschylus
The Father Of Computer Science -:- Alan Turing
The Father Of Penicillin -:- Alexander Fleming
Father Of The Telephone -:- Alexander Graham Bell.
The Father Of Anatomy -:- Andreas Vesalius
Father Of The (Soviet) Hydrogen Bomb: -:- Andrei D. Sakharov
Father Of Mathematics -:- Archimedes
Father Of Comedy -:- Aristophanes(445-385 B.C.) Greece
Father Of Indian Unrest -:- Bal Gangadhar Tilak: Lokmanya;
Father Of Computers -:- Charles Babbage
Father Of Rock N' Roll -:- Chuck Berry
Father Of Indian Politics And Economics -:- Dadabhai Naoroji
Father Of Indian Cinema -:- Dadasaheb Phalke:
Father Of Detective Story -:- Edgar Allen Poe
Father Of Immunology -:- Edward Jenner
Father Of The Hydrogen Bomb -:- Edward Teller
Father Of Nuclear Physics -:- Ernest Rutherford
Father Of Geometry -:- Euclid (300 B.C.) Greece
Father Of English Poetry -:- Geoffrey Chaucer(1340-1400) England
Father Of Railways -:- George Stephenson
Father Of The United States Of America -:- George Washington
Father Of The Novel -:- Giovanni Baccaccio
Father Of Genetics -:- Gregor Mendel
Father Of Modern Drama -:- Henrik J. Ibsen
Father Of History -:- Herodotus (484-424 B.C.) Greece
Father Of Medicine -:- Hippocrates (460-370 B.C.) Greece
Father Of Indian Nuclear Science -:- Homi J. Bhabha:
Father Of Modern Astronomy, Of Modern Science And Of Modern Mathematics -:- Isaac Newton
Father Of The Atomic Bomb -:- J. Robert Oppenheimer
Father Of Civil Aviation In India -:- J.R.D. Tata:
Father Of Indian Industry -:- Jamshedji Tata:
Father Of Sunday Newspapers -:- John Bel
Father Of States' Rights; Onslow -:- John C. Calhoun
Father Of Basketball -:- John Naismith
Father Of Soda Pop; Father Of Modern Chemistry -:- Joseph Priestley:
Father Of The Nation Of Afghanistan -:- King Mohammed Zahir Shah
Father Of Bacteriology, Of Stereochemistry And Of Microbiology -:- Louis Pasteur
Father Of The Nation Of India And Of Non-Violence -:- Mahatma Gandhi
Father Of Modern Painting In India -:- Nandlal Base:
Father Of Numbers -:- Pythagoras
Father Of Indian Renaissance -:- Raja Rammohan Roy:
Father Of Chemistry -:- Robert Boyle (1627-1691) Ireland
Father Of The Zip Code -:- Robert Moon
Father Of Indian Cardiology -:- Rustom Jal Vakil
Father Of Library Science In India -:- S. R. Ranganathan
Father Of American Revolution -:- Sam Adams
Father Of Texas -:- Sam Houston
Father Of Aviation -:- Sir George Cayley
Father Of The Revolution And The Nation Of The Republic Of China -:- Sun Yat-Sen
Father Of Modern Plastic Surgery -:- Susruta:
Father Of Modern Tourism -:- Thomas Cook:
Father Of English Printing -:- William Caxton
Fathers Of Aviation -:- Wright Brothers
Father Of E-Mail -:- Ray Tomlinson
LIST OF RAILWAY ZONES IN INDIA
1
Name --- Central Railway
Abbr. --- CR
Date Established --- 1951, November 5
Headquarters --- Mumbai
Divisions --- Mumbai, Bhusawal, Pune, Solapur, Nagpur
2
Name --- East Central Railway
Abbr. --- ECR
Date Established --- 2002, October 1
Headquarters --- Hajipur
Divisions --- Danapur, Dhanbad, Mughalsarai, Samastipur, Sonpur
3
Name --- East Coast Railway
Abbr. --- ECoR
Date Established --- 2003, April 1
Headquarters --- Bhubaneswar
Divisions --- Khurda Road, Sambalpur, Visakhapatnam
4
Name --- Eastern Railway
Abbr. --- ER
Date Established --- 1952, April
Headquarters --- Kolkata
Divisions --- Howrah, Sealdah, Asansol, Malda
5
Name --- North Central Railway
Abbr. --- NCR
Date Established --- 2003, April 1
Headquarters --- Allahabad
Divisions --- Allahabad, Agra, Jhansi
6
Name --- North Eastern Railway
Abbr. --- NER
Date Established --- 1952
Headquarters --- Gorakhpur
Divisions --- Izzatnagar, Lucknow, Varanasi
7
Name --- North Western Railway
Abbr. --- NWR
Date Established --- 2002, October 1
Headquarters --- Jaipur
Divisions --- Jaipur, Ajmer, Bikaner, Jodhpur
8
Name --- Northeast Frontier Railway
Abbr. --- NFR
Date Established --- 1958
Headquarters --- Guwahati
Divisions --- Alipurduar, Katihar, Rangia, Lumding, Tinsukia
9
Name --- Northern Railway
Abbr. --- NR
Date Established --- 1952, April 14
Headquarters --- Delhi
Divisions --- Delhi, Ambala, Firozpur, Lucknow, Moradabad
10
Name --- South Central Railway
Abbr. --- SCR
Date Established --- 1966, October 2
Headquarters --- Secunderabad
Divisions --- Secunderabad, Hyderabad, Guntakal, Guntur, Nanded, Vijayawada
11
Name --- South East Central Railway
Abbr. --- SECR
Date Established --- 2003, April 1
Headquarters --- Bilaspur
Divisions --- Bilaspur, Raipur, Nagpur
12
Name --- South Eastern Railway
Abbr. --- SER
Date Established --- 1955
Headquarters --- Kolkata
Divisions --- Adra, Chakradharpur, Kharagpur, Ranchi
13
Name --- South Western Railway
Abbr. --- SWR
Date Established --- 2003, April 1
Headquarters --- Hubli
Divisions --- Hubli, Bangalore, Mysore
14
Name --- Southern Railway
Abbr. --- SR
Date Established --- 1951, April 14
Headquarters --- Chennai
Divisions --- Chennai, Madurai, Palakkad, Salem, Tiruchchirapalli, Trivandrum(Thiruvananthapuram)
15
Name --- West Central Railway
Abbr. --- WCR
Date Established --- 2003, April 1
Headquarters --- Jabalpur
Divisions --- Jabalpur, Bhopal, Kota
16
Name --- Western Railway
Abbr. --- WR
Date Established --- 1951, November 5
Headquarters --- Mumbai
Divisions --- Mumbai Central, Ratlam, Ahmedabad, Rajkot, Bhavnagar, Vadodara
Please viewer Send your views and opinion to us rajesh.patelp@yahoo.com
List of National Highways in India
NH No | Route | Length in State (km) | Total Length
NH 1 | Delhi - Ambala - Jalandhar - Ludhiana - Amritsar - Indo-Pak Border | Delhi (22), Haryana (180), Punjab (254) | 456 km (283 mi)
NH 1A | Jalandhar - Madhopur - Jammu - Udhampur - Banihal - Srinagar - Baramulla - Uri | Punjab (108), Himachal Pradesh (14), Jammu & Kashmir (541) | 663 km (412 mi)
NH 1B | Batote - Doda - Kistwar - Symthan pass - Khanbal | Jammu & Kashmir (274) | 274 km (170 mi)
NH 1C | Domel - Katra | Jammu & Kashmir (8) | 8 km (5.0 mi)
NH 1D | Srinagar - Kargil - Leh | Jammu & Kashmir (422) | 422 km (262 mi)
NH 2 | Delhi - Mathura - Agra - Kanpur - Allahabad - Varanasi - Mohania - Barhi - Palsit - Dankuni | Delhi (12), Haryana (74), Uttar Pradesh (752), Bihar (202), Jharkhand (190), West Bengal (235) | 1,465 km (910 mi)
NH 2A | Sikandra - Bhognipur | Uttar Pradesh (25) | 25 km (16 mi)
NH 2B | Bardhamen - Fatehpur | [West Bengal]] (114) | 114 km (71 mi)
NH 3 | Agra - Gwalior - Shivpuri - Indore - Dhule - Nasik - Thane - Mumbai | Uttar Pradesh (26), Rajasthan (32), Madhya Pradesh (712), Maharashtra (391) | 1,161 km (721 mi)
NH 4 | Junction with NH 3 near Thane - Pune - Belgaum - Hubli - Davangere - Bangalore - Kolar - Chittoor - Ranipet - Chennai | Maharashtra (371), Karnataka (658), Andhra Pradesh (83), Tamil Nadu (123) | 1,235 km (767 mi)
NH 4A | Belgaum - Anmod - Ponda - Panaji | Karnataka (82), Goa (71) | 153 km (95 mi)
NH 4B | Nhava Sheva - Kalamboli - Palaspe | Maharashtra (27) | 27 km (17 mi)
NH 5 | Junction with NH 6 near Baharagora - Cuttack - Bhubaneswar - Visakhapatnam - Vijayawada - Guntur - Ongole - Nellore - Gummidipoondi - Chennai | Orissa (488), Andhra Pradesh (1000), Tamil Nadu (60) | 1,533 km (953 mi)
NH 5A | Junction with NH 5 near Haridaspur - Paradip Port | Orissa(77) | 77 km (48 mi)
NH 6 | Hazira - Surat - Dhule - Akola - Amravati - Nagpur - Raipur - Sambalpur - Baharagora - Kolkata | Maharashtra (813), Chattisgarh (314), Orissa (462), Jharkhand (22), West Bengal (161), Gujarat (177) | 1,949 km (1,211 mi)
NH 7 | Varanasi - Mangawan - Rewa - Jabalpur - Lakhnadon - Nagpur - Hyderabad - Kurnool - Bangalore - Hosur - Krishnagiri - Dharmapuri - Salem - Namakkal - Karur - Dindigul - Madurai - Virudunagar - Tirunelveli - Kanyakumari | Uttar Pradesh (128), Madhya Pradesh (504), Maharashtra (232), Andhra Pradesh (753), Karnataka (125), Tamil Nadu (627) | 2,369 km (1,472 mi)
NH 7A | Palayamkottai - Tuticorin Port | Tamil Nadu (51) | 51 km (32 mi)
NH 8 | Delhi - Jaipur - Ajmer - Udaipur - Ahmedabad - Vadodara - Surat - Mumbai | Delhi (13), Haryana (101), Rajasthan (688), Gujarat (498), Maharashtra (128) | 1,428 km (887 mi)
NH 8A | Ahmedabad - Limbdi - Morvi - Kandla - Mandvi | Gujarat (473) | 473 km (294 mi)
NH 8B | Bamanbore - Rajkot - Porbunder | Gujarat (206) | 206 km (128 mi)
NH 8C | Chiloda - Gandhinagar - Sarkhej | Gujarat (46) | 46 km (29 mi)
NH 8D | Jetpur - Somnath | Gujarat (127) | 127 km (79 mi)
NH 8E | Somnath - Bhavnagar | Gujarat (220) | 220 km (140 mi)
NH NEI | Ahmedabad - Vadodara Expressway | Gujarat (93) | 93 km (58 mi)
NH 9 | Pune - Solapur - Hyderabad - Vijayawada - Machillipatnam | Maharashtra (336), Karnataka (75), Andhra Pradesh (430) | 841 km (523 mi)
NH 10 | Delhi - Fazilka - Indo-Pak Border | Delhi (18), Haryana (313), Punjab (72) | 403 km (250 mi)
NH 11 | Agra - Jaipur - Bikaner | Uttar Pradesh (51), Rajasthan (531) | 582 km (362 mi)
NH 11A | Manoharpur - Dausa - Lalsot - Kothum | Rajasthan (145) | 145 km (90 mi)
NH 11B | Lalsot - Karauli - Dholpur | Rajasthan (180) | 180 km (110 mi)
NH 12 | Jabalpur - Bhopal - Khilchipur - Aklera - Jhalawar - Kota - Bundi - Devli - Tonk - Jaipur | Madhya Pradesh (490), Rajasthan (400) | 890 km (550 mi)
NH 12A | Jabalpur - Mandla - Chilpi - Simga near Raipur - Jhansi | Madhya Pradesh (152), Chhatisgarh (128), Uttar Pradesh (55) | 333 km (207 mi)
NH 13 | Solapur - Chitradurga - Shimoga - Mangalore | Maharashtra (43), Karnataka (648) | 691 km (429 mi)
NH 14 | Beawar - Sirohi - Radhanpur | Rajasthan (310), Gujarat (140) | 450 km (280 mi)
NH 15 | Pathankot - Amritsar - Bhatinda - Ganganagar - Bikaner - Jaisalmer - Barmer - Samakhiali | Punjab (350), Rajasthan (906), Gujarat (270) | 1,526 km (948 mi)
NH 16 | Nizamabad - Mancherial - Bhopalpatnam - Jagdalpur | Andhra Pradesh (220), Maharashtra (30), Chattisgarh (210) | 460 km (290 mi)
NH 17 | Panvel - Mahad - Panaji - Karwar - Udupi - Suratkal - Mangalore - Cannanore - Kozhikode - Ferokh - Pudu - Ponnani - Chavakkad - Junction with NH 47 near Edapally | Maharashtra (482), Goa (139), Karnataka (280), Kerala (368) | 1,269 km (789 mi)
NH 17A | Junction with NH 17 near Cortalim - Murmugao | Goa (19) | 19 km (12 mi)
NH 17B | Ponda - Verna - Vasco | Goa (40) | 40 km (25 mi)
NH 18 | Junction with NH 7 near Kurnool - Nandyal - Cuddapah - Junction with NH 4 near Chittoor | Andhra Pradesh (369) | 369 km (229 mi)
NH 18A | Puthalapattu - Tirupati | Andhra Pradesh (50) | 50 km (31 mi)
NH 19 | Ghazipur - Balia - Patna | Bihar (120), Uttar Pradesh (120) | 240 km (150 mi)
NH 20 | Pathankot - Mandi | Punjab (10), Himachal Pradesh (210) | 220 km (140 mi)
NH 21 | Junction with NH 22 near Chandigarh - Ropar - Bilaspur - Mandi - Kulu - Manali | Chandigarh (24), Punjab (67), Himachal Pradesh (232) | 323 km (201 mi)
NH 21A | Pinjore - Nalagarh - Swarghat | Haryana (16), Himachal Pradesh (49) | 65 km (40 mi)
NH 22 | Ambala - Kalka - Shimla - Narkanda - Rampur - Indo China Border near Shipkila | Haryana (30), Punjab (31), Himachal Pradesh (398) | 459 km (285 mi)
NH 23 | Chas - Bokaro - Ranchi - Rourkela - Talcher - Junction with NH 42 | Jharkhand (250), Orissa (209) | 459 km (285 mi)
NH 24 | Delhi - Moradabad - Bareilly - Lucknow | Delhi (7), Uttar Pradesh (431) | 438 km (272 mi)
NH 24A | Bakshi Ka Talab - Chenhat (NH 28) | Uttar Pradesh (17) | 17 km (11 mi)
NH 25 | Lucknow - Kanpur - Jhansi - Shivpuri | Uttar Pradesh (270), Madhya Pradesh (82) | 352 km (219 mi)
NH 25A | Km - 19 (NH 25) - Bakshi Ka Talab | Uttar Pradesh (31) | 31 km (19 mi)
NH 26 | Jhansi - Lakhnadon | Uttar Pradesh (128), Madhya Pradesh (268) | 396 km (246 mi)
NH 27 | Allahabad - Mangawan | Uttar Pradesh (43), Madhya Pradesh (50) | 93 km (58 mi)
NH 28 | Junction with NH 31 Near Barauni - Muzaffarpur - Pipra - Kothi - Gorakhpur - Lucknow | Bihar (259), Uttar Pradesh (311) | 570 km (350 mi)
NH 28A | Junction with NH 28 near Pipra - Kothi - Sagauli - Raxaul - Indo-Nepal Border | Bihar (68) | 68 km (42 mi)
NH 28B | Chhapra - Bettiah - Lauriya - Bagaha - Junction with 28A at Chapwa | Bihar (121) | 121 km (75 mi)
NH 28C | Barabanki - Bahraich - Nanpara - Indo-Nepal Border | Uttar Pradesh (184) | 184 km (114 mi)
NH 29 | Gorakhpur - Ghazipur - Varanasi | Uttar Pradesh (196) | 196 km (122 mi)
NH 30 | Junction with NH 2 near Mohania - Patna - Bakhtiarpur | Bihar (230) | 230 km (140 mi)
NH 30A | Fatuha - Chandi - Harnaut - Barh | Bihar (65) | 65 km (40 mi)
NH 31 | Junction with NH 2 near Barhi - Bakhtiarpur - Mokameh - Purnea - Dalkhola - Siliguri - Sevok - Cooch Behar- North Salmara - Nalbari - Charali - Amingaon Junction with NH 37 | Bihar (393), West Bengal (366), Assam (322), Jharkhand (44) | 1,125 km (699 mi)
NH 31A | Sevok - Gangtok | West Bengal (30), Sikkim (62) | 92 km (57 mi)
NH 31B | North Salmara - Junction with NH 37 near Jogighopa | Assam (19) | 19 km (12 mi)
NH 31C | Near Galgalia - Bagdogra - Chalsa - Nagrakata - Goyerkata - Dalgaon - Hasimara - Rajabhat Khawa - Kochgaon - Sidili - Junction with NH 31 near Bijni | West Bengal (142), Assam (93) | 235 km (146 mi)
NH 32 | Junction with NH 2 near Gobindpur - Dhanbad - Chas - Jamshedpur | Jharkhand (107), West Bengal (72) | 179 km (111 mi)
NH 33 | Junction with NH 2 near Barhi - Ranchi - Jamshedpur Junction with NH 6 near Baharagora | Jharkhand (352) | 352 km (219 mi)
NH 34 | Junction with NH 31 near Dalkhola - Behrampore - Barasat - Dum Dum | West Bengal (443) | 443 km (275 mi)
NH 35 | Barasat - Bangaon - Petrapole on India–Bangladesh border | West Bengal (61) | 61 km (38 mi)
NH 36 | Nowgong - Dimapur (Manipur Road) | Assam (167), Nagaland (3) | 170 km (110 mi)
NH 37 | Junction with NH 31B near Goalpara - Guwahati - Jorabat - Kamargaon - Makum - Saikhoaghat | Assam (680) | 680 km (420 mi)
NH 37A | Kuarital - Junction with NH 52 near Tezpur | Assam (23) | 23 km (14 mi)
NH 38 | Makum - Ledo - Lekhapani | Assam (54) | 54 km (34 mi)
NH 39 | Numaligarh - Imphal - Palel - Indo Burma Border | Assam (115), Nagland (110), Manipur (211) | 436 km (271 mi)
NH 40 | Jorabat - Shillong - Indo Bangladesh Border near Dawki - Jowai | Meghalaya (216) | 216 km (134 mi)
NH 41 | Junction with NH 6 near Kolaghat - Tamluk - Haldia Port | West Bengal (51) | 51 km (32 mi)
NH 42 | Junction with NH 6 Sambalpur Angul Junction with NH 5 near Cuttack | Orissa (261) | 261 km (162 mi)
NH 43 | Raipur - Jagdalpur - Vizianagaram Junction with NH 5 near Natavalasa | Chattisgarh (316), Orissa (152), Andhra Pradesh (83) | 551 km (342 mi)
NH 44 | Shillong - Passi - Badarpur - Agartala - Sabroom | Meghalaya (184), Assam (111), Tripura (335) | 630 km (390 mi)
NH 44A | Aizawl - Manu | Mizoram (165), Tripura (65) | 230 km (140 mi)
NH 45 | Chennai - Tambaram - Tindivanam - Villupuram - Trichy - Manapparai - Dindigul- Periyakulam - Theni | Tamil Nadu (472) | 387 km (240 mi)
NH 45A | Villupuram - Pondicherry - Chidambaram - Nagapattinam | Tamil Nadu (147), Pondicherry (43) | 190 km (120 mi)
NH 45B | Trichy - Viralimalai - Melur - Madurai - Tuticorin | Tamil Nadu (257) | 257 km (160 mi)
NH 45C | The highway starting from its junction with NH 67 near Thanjavur - connecting Kumbakonam - Sethiyathope - Vadalur - Neyveli Township - Panruti and terminates near Vikravandi on NH-45 | Tamil Nadu (159) | 159 km (99 mi)
NH 46 | Krishnagiri - Ranipet | Tamil Nadu (132) | 132 km (82 mi)
NH 47 | Salem - Erode - Coimbatore - Palghat - Trichur - Ernakulam - Quilon - Trivandrum - Nagercoil - Kanyakumari | Tamil Nadu (224), Kerala (416) | 640 km (400 mi)
NH 47A | Junction with NH 47 Willington Island | Kerala (6) | 6 km (3.7 mi)
NH 48 | Bangalore - Hassan - Mangalore | Karnataka (328) | 328 km (204 mi)
NH 49 | Cochin - Madurai - Dhanushkodi | Tamil Nadu (290), Kerala (150) | 440 km (270 mi)
NH 50 | Nasik - Junction with NH 4 near Pune | Maharashtra (192) | 192 km (119 mi)
NH 51 | Paikan - Tura - Dalu | Assam (22), Meghalaya (127) | 149 km (93 mi)
NH 52 | Baihata - Charali - Tezpur - Banderdewa – North Lakhimpur - Pasighat - Tezu - Sitapani Junction with NH 37 near Saikhoaghat | Assam (540), Arunachal Pradesh (310) | 850 km (530 mi)
NH 52A | Banderdewa - Itanagar - Gohpur | Assam (15), Arunachal Pradesh (42) | 57 km (35 mi)
NH 52B | Kulajan - Dibrugarh | Assam (31) | 31 km (19 mi)
NH 53 | Junction with NH 44 near Badarpur - Jirighat - Silchar - Imphal | Assam (100), Manipur (220) | 320 km (200 mi)
NH 54 | Dabaka - Lumding - Silchar - Aizwal - Tuipang | Assam (335), Mizoram (515) | 850 km (530 mi)
NH 54A | Theriat - Lunglei | Mizoram (9) | 9 km (5.6 mi)
NH 54B | Venus Saddle - Saiha | Mizoram (27) | 27 km (17 mi)
NH 55 | Siliguri - Darjeeling | West Bengal (77) | 77 km (48 mi)
NH 56 | Lucknow - Varanasi | Uttar Pradesh (285) | 285 km (177 mi)
NH 56A | Chenhat(NH 28) - Km16(NH 56) | Uttar Pradesh (13) | 13 km (8.1 mi)
NH 56B | Km15(NH 56) - km 6(NH 25 | Uttar Pradesh ((19) | 19 km (12 mi)
NH 57 | Muzaffarpur - Darbhanga - Forbesganj - Purnea | Bihar (310) | 310 km (190 mi)
NH 57A | Junction of NH 57 near Forbesganj - Jogbani | Bihar (15) | 15 km (9.3 mi)
NH 58 | Delhi - Ghaziabad - Meerut - Haridwar - Badrinath - Mana Pass | Uttar Pradesh (165), Uttarakhand (373) | 538 km (334 mi)
NH 59 | Ahmedabad - Godhra - Dhar - Indore | Gujarat (211), Madhya Pradesh (139) | 350 km (220 mi)
NH 59A | Indore - Betul | Madhya Pradesh (264) | 264 km (164 mi)
NH 60 | Balasore - Kharagpur — Raniganj - Siuri - Moregram (junction at NH 34 ) | Orissa (57), West Bengal (389) | 446 km (277 mi)
NH 61 | Kohima - Wokha - Mokokchung - Jhanji | Nagaland (220), Assam (20) | 240 km (150 mi)
NH 62 | Damra - Baghmara - Dalu | Assam (5), Meghalaya (190) | 195 km (121 mi)
NH 63 | Ankola - Hubli - Hospet - Gooty | Karnataka (370), Andhra Pradesh (62) | 432 km (268 mi)
NH 64 | Chandigarh - Rajpura - Patiala - Sangrur - Bhatinda - Dabwali | Punjab (256) | 256 km (159 mi)
NH 65 | Ambala - Kaithal - Hissar - Fatehpur - Jodhpur - Pali | Haryana (240), Rajasthan (450) | 690 km (430 mi)
NH 66 | Pondy - Tindivanam - Gingee - Thiruvannamalai - Krishnagiri | Pondicherry (6), Tamil Nadu (208) | 214 km (133 mi)
NH 67 | Nagapattinam - Tiruchirapalli - Karur - Coimbatore - Mettupalayam - coonoor - Ooty - Gundlupet | Tamil Nadu (520), Karnataka (35) | 555 km (345 mi)
NH 68 | Ulundrupet - Chinnasalem - Kallakkurichchi - Attur - vazhapadi - Salem | Tamil Nadu (134) | 134 km (83 mi)
NH 69 | Nagpur - Obedullaganj | Maharashtra (55), Madhya Pradesh (295) | 350 km (220 mi)
NH 70 | Jalandhar - Hoshiarpur - Hamirpur - Dharmapur - Mandi | Himachal Pradesh (120), Punjab (50) | 170 km (110 mi)
NH 71 | Jalandhar - Moga - Sangrur - Rohtak - Bawal | Punjab (130), Haryana (177) | 307 km (191 mi)
NH 71A | Rohtak - Panipat | Haryana (72) | 72 km (45 mi)
NH 72 | Ambala - Nahan - Paonta Sahib - Dehradun - Haridwar | Haryana (50), Himachal Pradesh (50), Uttar Pradesh (100) | 200 km (120 mi)
NH 72A | Chhutmalpur - Biharigarh - Dehradun | Uttarakhand (15), Uttar Pradesh (30) | 45 km (28 mi)
NH 73 | Roorkee - Saharanpur - Yamuna Nagar - Saha - Panchkula | Haryana (108), Uttar Pradesh (59), Uttarakhand (21) | 188 km (117 mi)
NH 74 | Haridwar - Nagina - Kashipur - Kichha - Pilibhit - Bareilly | Uttar Pradesh (147), Uttarakhand (153) | 300 km (190 mi)
NH 75 | Gwalior - Jhansi - Chhatarpur - Rewa - Renukut - Garhwa - Daltonganj - Ranchi | Madhya Pradesh (600), Uttar Pradesh (110), Jharkhand (245) | 955 km (593 mi)
NH 76 | Pindwara - Udaipur - Mangalwar - Kota - Shivpuri - Jhansi - Banda - Allahabad | Madhya Pradesh (60), Uttar Pradesh (467), Rajasthan (480) | 1,007 km (626 mi)
NH 77 | Hajipur - Sitamarhi - Sonbarsa | Bihar (142) | 142 km (88 mi)
NH 78 | Katni - Shahdol - Ambikapur - Jashpurnagar - Gumla | Madhya Pradesh (178), Chattisgarh (356), Jharkhand (25) | 559 km (347 mi)
NH 79 | Ajmer - Nasirabad - Neemuch - Mandsaur - Indore | Madhya Pradesh (280), Rajasthan (220) | 500 km (310 mi)
NH 79A | Kishangarh(NH 8) - Nasirabad(NH 79) | Rajasthan (35) | 35 km (22 mi)
NH 80 | Mokameh - Rajmahal - Farrakka | Bihar (200), Jharkhand (100), West Bengal (10) | 310 km (190 mi)
NH 81 | Kora - Katihar - Malda | Bihar (45), West Bengal (55) | 100 km (62 mi)
NH 82 | Gaya - Bihar Sharif - Mokameh | Bihar (130) | 130 km (81 mi)
NH 83 | Patna - Jahanabad - Gaya - Bodhgaya - Dhobi | Bihar (130) | 130 km (81 mi)
NH 84 | Arrah - Buxar | Bihar (60) | 60 km (37 mi)
NH 85 | Chhapra - Siwan - Gopalganj | Bihar (95) | 95 km (59 mi)
NH 86 | Kanpur - Chhatarpur - Sagar - Bhopal - Dewas | Uttar Pradesh (180), Madhya Pradesh (494) | 674 km (419 mi)
NH 87 | Rampur - Pantnagar - Haldwani - Nainital | Uttar Pradesh (32), Uttarakhand (51) | 83 km (52 mi)
NH 88 | Shimla - Bilaspur - Hamirpur - Bhawan - NH 20 | Himachal Pradesh (115) | 115 km (71 mi)
NH 90 | Baran - Aklera | Rajasthan (100) | 100 km (62 mi)
NH 91 | Ghaziabad - Aligarh - Eta - Kannauj - Kanpur | Uttar Pradesh (405) | 405 km (252 mi)
NH 92 | Bhongaon - Etawah - Gwalior | Uttar Pradesh (75), Madhya Pradesh (96) | 171 km (106 mi)
NH 93 | Agra - Aligarh - Babrala - Chandausi - Moradabad | Uttar Pradesh (220) | 220 km (140 mi)
NH 94 | Hrishikesh - Ampata - Tehri - Dharasu - Kuthanur - Yamunotri | Uttarakhand (160) | 160 km (99 mi)
NH 95 | Kharar(Chandigarh) - Ludhiana - Jagraon - Ferozepur | Punjab (225) | 225 km (140 mi)
NH 96 | Faizabad - Sultanpur - Pratapgarh - Allahabad | Uttar Pradesh (160) | 160 km (99 mi)
NH 97 | Ghazipur - Zamania - Saiyedraja | Uttar Pradesh (45) | 45 km (28 mi)
NH 98 | Patna - Aurangabad - Rajhara | Bihar (156), Jharkhand (51) | 207 km (129 mi)
NH 99 | Dobhi - Chatra - Chandwa | Jharkhand (110) | 110 km (68 mi)
NH 100 | Chatra - Hazaribagh - Bagodar | Jharkhand (118) | 118 km (73 mi)
NH 101 | Chhapra - Baniapur - Mohammadpur | Bihar (60) | 60 km (37 mi)
NH 102 | Chhapra - Rewaghat - Muzaffarpur | Bihar (80) | 80 km (50 mi)
NH 103 | Hajipur - Mushrigharari | Bihar (55) | 55 km (34 mi)
NH 104 | Chakia - Sitamarhi - Jaynagar - Narahia | Bihar (160) | 160 km (99 mi)
NH 105 | Darbhanga - Aunsi - Jaynagar | Bihar (66) | 66 km (41 mi)
NH 106 | Birpur - Madhepura - Bihpur | Bihar (130) | 130 km (81 mi)
NH 107 | Maheshkhunt - Sonbarsa Raj - Simri-Bakhtiarpur - Bariahi - Saharsa - Madhepura - Purnea | Bihar (145) | 145 km (90 mi)
NH 108 | Dharasu - Uttarkashi - Yamunotri - Gangotri Dham | Uttarakhand | 127 km (79 mi)
NH 109 | Rudraprayag - Guptkashi - Kedarnath Dham | Uttarakhand | 76 km (47 mi)
NH 110 | Junction with NH 98 - Arwal - Jehanabad - Bandhuganj - Kako - Ekangarsarai Bihar Sharif - Junction with NH 31 | Bihar (89) | 89 km (55 mi)
NH 111 | Bilaspur - Katghora - Ambikapur on NH 78 | Chhattisgarh (200) | 200 km (120 mi)
NH 112 | Bar Jaitaran - Bilara - Kaparda - Jodhpur - Kalyanpur- Pachpadra - Baloootra - Tilwara - Bagundi - Dhudhwa - Madhasar - Barmer | Rajasthan (343) | 343 km (213 mi)
NH 113 | Nimbahera - Bari - Pratapgarh - Zalod - Dahod | Rajasthan (200), Gujarat (40) | 240 km (150 mi)
NH 114 | Jodhpur - Balesar - Dachhu - Pokaran | Rajasthan (180) | 180 km (110 mi)
NH 116 | Tonk - Uniara - Sawai Madhopur | Rajasthan (80) | 80 km (50 mi)
NH 117 | Haora - Bakkhali | West Bengal (119) | 119 km (74 mi)
NH 119 | Pauri - Najibabad - Meerut | Uttarakhand (135), Uttar Pradesh (125) | 260 km (160 mi)0
NH 121 | Kashipur - Bubakhal | Uttarakhand (252) | 252 km (157 mi)
NH 123 | Barkot - Vikasnagar | Uttarakhand (85), Himachal Pradesh (10) | 95 km (59 mi)
NH 125 | Sitarganj - Pithorgarh | Uttarakhand (201) | 201 km (125 mi)
NH 150 | Aizwal - Churachandpur - Imphal - Ukhrul - Jessami - Kohima | Manipur (523), Mizoram (141), Nagaland (36) | 700 km (430 mi)
NH 151 | Karimganj - Indo-Bangladesh border | Assam (14) | 14 km (8.7 mi)
NH 152 | Patacharkuchi - Indo-Bhutan Border | Assam (40) | 40 km (25 mi)
NH 153 | Ledo - Lekhapani - Indo-Myanmar - Border | Assam (20), Arunachal Pradesh (40) | 60 km (37 mi)
NH 154 | Dhaleswar - Bairabi - Kanpui | Assam (110), Mizoram (70) | 180 km (110 mi)
NH 155 | Tuensang - Shamator - Meluri - Kiphire - Pfutsero | Nagaland (342) | 342 km (213 mi)
NH 200 | Raipur - Bilaspur - Raigarh - Kanaktora - Jharsuguda - Kochinda - Deogarh - Talcher - Chandikhole | Orissa (440), Chhattisgarh (300) | 740 km (460 mi)
NH 201 | Borigumma - Bolangir - Bargarh | Orissa (310) | 310 km (190 mi)
NH 202 | Hyderabad – Warangal - Venkatapuram - Bhopalpatnam | Andhra Pradesh (244), Chattisgarh (36) | 280 km (170 mi)
NH 203 | Bhubaneswar - Puri | Orissa (59) | 59 km (37 mi)
NH 204 | Ratnagiri - Kolhapur | Maharashtra (126) | 126 km (78 mi)
NH 205 | Anantpur - Renigunta - Chennai | Andhra Pradesh (360), Tamil Nadu (82) | 442 km (275 mi)
NH 206 | Tumkur - Shimoga - Honnavar | Karnataka (363) | 363 km (226 mi)
NH 207 | Hosur - Sarjapur - Devanhalli - Nelamangala | Karnataka (135), Tamil Nadu (20) | 155 km (96 mi)
NH 208 | Kollam - kundara - kottarakkara - Punalur - Thenmala -Aryankavu - Sengottai - Tenkasi - Rajapalayam - Thirumangalam(Madurai) | Kerala (81), Tamil Nadu (125) | 206 km (128 mi)
NH 209 | Dindigul - Pollachi - Palani - Coimbatore - Annur - Kollegal - Bangalore | Tamil Nadu (286), Karnataka (170) | 456 km (283 mi)
NH 210 | Trichy - Pudukottai - Devakottai - Ramanathapuram | Tamil Nadu (160) | 160 km (99 mi)
NH 211 | Solapur - Osmanabad - Aurangabad - Dhule | Maharashtra (400) | 400 km (250 mi)
NH 212 | Kozhikode - Mysore - Kollegal | Karnataka (160), Kerala (90) | 250 km (160 mi)
NH 213 | Palghat - Kozhikode | Kerala (130) | 130 km (81 mi)
NH 214 | Kathipudi - Kakinada - Pamarru | Andhra Pradesh (270) | 270 km (170 mi)
NH 214A | Digamarru - Narsapur - Machilipatnam - Challapalle - Avanigadda - Repalle - Bapatla - Chirala - Ongole | Andhra Pradesh (255) | 255 km (158 mi)
NH 215 | Panikoili - Keonjhar - Rajamunda | Orissa (348) | 348 km (216 mi)
NH 216 | Raigarh - Sarangarh - Saraipali | Chhatisgarh (80) | 80 km (50 mi)
NH 217 | Raipur - Gopalpur | Chhatisgarh (70), Orissa (438) | 508 km (316 mi)
NH 218 | Bijapur - Hubli | Karnataka (176) | 176 km (109 mi)
NH 219 | Madanapalle - Kuppam - Krishnagiri | Andhra Pradesh (128), Tamil Nadu (22) | 150 km (93 mi)
NH 220 | Kollam - Kottarakkara - Adoor - Kottayam - Pampady - Ponkunnam - Kanjirappalli - Mundakayam - Peermade - Vandiperiyar - Kumily - Theni | Kerala (210), Tamil Nadu (55) | 265 km (165 mi)
NH 221 | Vijaywada - Bhadrachalam - Jagdalpur | Andhra Pradesh (155), Chhattisgarh (174) | 329 km (204 mi)
NH 222 | Kalyan - Ahmednagar - Tisgaon - Pathardi - Kharwandi - Balam Yelam - Jategaon - Kambi - Majalgaon - Pathri - Manwat - Parbhani - Nanded - Nirmal | Maharashtra (550), Andhra Pradesh (60) | 610 km (380 mi)
NH 223 | Port Blair - Baratang - Mayabunder | Andaman & Nicobar (300) | 300 km (190 mi)
NH 224 | Khordha - Nayagarh - Sonapur - Balangir | Orissa (298) | 298 km (185 mi)
NH 226 | Perambalur - Manamadurai | Tamil Nadu (126) | 144 km (89 mi)
NH 227 | Trichy - Chidambaram | Tamil Nadu (136) | 136 km (85 mi)
NH 228 | Sabarmati Ashram - Nadiad - Anand - Surat - Navsari -Dandi | Gujarat (374) | 374 km (232 mi)
NH 229 | Tawang - Pasighat | | 1,090 km (680 mi)
NH 230 | Madurai - Thondi | Tamilnadu (82) | 82 km (51 mi)
NH 231 | Raibareli - Jaunpur | | 169 km (105 mi)
NH 232 | Ambedkarnagar (Tanda) - Banda | | 305 km (190 mi)
NH 232A | Unnao - Lalganj (Junction of NH-232) | | 68 km (42 mi)
NH 233 | India-Nepal border - Varanasi | | 292 km (181 mi)
NH 234 | Mangalore - Belthangady - Belur - Huliyar - Sira - Chintamani - Venkatagirikota - Gudiyatham - Katpadi- Vellore - Thiruvannaamalai - Villuppuram [1] | Karnataka (458), Andhra Pradesh (23), Tamil Nadu (234) | 715 km (444 mi)
NH 235 | Meerut - Bulandshahar | 780 km (480 mi)
Thursday, 12 July 2012
About Quaser
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क्वासर हमारे ब्रह्मांड में पाए जाने वाले वे खगोलीय पिण्ड हैं जो सबसे अधिक चमकीले तथा हमसे सबसे अधिक दूरी पर स्थित हैं। 1960 के दशक के प्रारम्भिक दौर में इन पिण्डों को रेडियो तारे (रेडियो स्टार) कहा जाता था। कारण यह था कि ये पिण्ड रेडियो तरंगों के सबसे शक्तिशाली स्रोत पाए गए थे। कुछ समय बाद इन पिण्डों को ‘क्वासर’ कहा जाने लगा। क्वासर वस्तुतः अंग्रेज़ी भाषा के चार शब्दों ‘क्वासी स्टेलर रेडियो सोर्स’ का संक्षिप्त रूप है। हिन्दी में इसका अर्थ होता है ‘‘आभासी तारकीय रेडियो स्रोत’’।‘ अनेक खगोल वैज्ञानिक इन्हें क्यू.एस.ओ. भी कहते हैं जो ‘क्वासी स्टेलर ऑब्जेक्ट्स’ का संक्षिप्त रूप है जिसका हिन्दी में अर्थ होता है ‘आभासी तारकीय पिण्ड’।
विकसित किस्म की रेडियो दूरबीनों तथा प्रकाशीय दूरबीनों द्वारा हाल में किए गए अध्ययनों से जानकारी मिली है कि क्वासर वास्तविक तारे नहीं हैं, परन्तु वे देखने में हू-ब-हू तारे लगते हैं। विस्तृत अध्ययनों से यह भी पता चला है कि तारों जैसे दिखने वाले इन खगोलीय पिण्डों से रेडियो तरंगों का उत्सर्जन उनकी सतह पर उभरे हुए दो गोलाकार स्थानों से होता है। क्वासर हमारी आकाशगंगा से काफी दूर पाए गए हैं।
अभी तक वैज्ञानिकों द्वारा जो अध्ययन किए गए हैं उनसे पता चला है कि क्वासर काफी रहस्यमय खगोलीय पिण्ड हैं। खगोल वैज्ञानिक अभी तक इन पिण्डों को पूरी तरह समझ नहीं पाए हैं। अभी तक निश्चित रूप से सिर्फ इतना ही पता चला है कि ये खगोलीय पिण्ड विशाल मात्रा में ऊर्जा का उत्सर्जन करते हैं। उनकी चमक खरबों सूर्य के बराबर आंकी गई है। कुछ क्वासर तो ऐसे भी हैं जो हमारी संपूर्ण आकाशगंगा से उत्सर्जित ऊर्जा की तुलना में दस से सौ गुना ज़्यादा ऊर्जा उत्सर्जित करते हैं। यह पूरी ऊर्जा क्वासर के जितने बड़े क्षेत्र से उत्सर्जित होती है वह हमारे सौरमंडल के आकार से बड़ा नहीं है।
क्वासर हमारे ब्रह्मांड में स्थित किसी भी अन्य खगोलीय पिण्ड की तुलना में ज़्यादा लाल विस्थापन (रेड शिफ्ट) प्रदर्शित करते हैं। किसी भी खगोलीय पिण्ड की गति तथा दूरी का अनुमान लगाने हेतु वैज्ञानिक लोग उस पिण्ड से उत्पन्न प्रकाश के वर्णक्रम (स्पेक्ट्रम) का अध्ययन करते हैं। यदि इस वर्णक्रम में मौजूद प्रकाश की तरंग लंबाइयां बढ़ती नज़र आएं तो माना जाता है कि वह खगोलीय पिण्ड हमसे दूर हटता जा रहा है। किसी पिण्ड से आने वाले प्रकाश में लाल विस्थापन जितना अधिक होगा, वह पिण्ड उतनी ही अधिक तेज़ रफ्तार से हमसे दूर भाग रहा होगा। चूंकि क्वासर का लाल विस्थापन बहुत अधिक पाया गया है अतः यह स्पष्ट है कि ये पिण्ड हमसे बहुत दूर हैं तथा अत्यन्त तेज़ी से हमसे दूर भागते जा रहे हैं।
खगोल वैज्ञानिकों का विश्वास है कि कुछ क्वासर 2,40,000 किलोमीटर प्रति सेकंड (प्रकाश के वेग का 80 प्रतिशत) के वेग से हमसे दूर हटते जा रहे हैं। खगोलविदों के मतानुसार ब्रह्मांड में जितने खगोलीय पिण्डों की अब तक खोज की गई है, उन सभी की तुलना में क्वासर सबसे अधिक दूरी पर स्थित हैं। वैज्ञानिकों ने दूरी की सबसे बड़ी इकाई के रूप में प्रकाश वर्ष को माना है। एक वर्ष में प्रकाश जितनी दूरी तय करता है उस दूरी को प्रकाश वर्ष कहा जाता है।
खगोलविदों का अनुमान है कि क्वासर हमसे अरबों प्रकाश वर्ष दूर हैं। यानी किसी भी क्वासर से उत्सर्जित जिस प्रकाश को आज हम देख रहे हैं, वह उस क्वासर से अरबों वर्ष पूर्व निकला होगा। इसका मतलब यह है कि आज उन्हें हम जैसा देख रहे हैं, वस्तुतः वे आज से कई अरब वर्ष पूर्व वैसे थे। अतः ऐसी संभावना बहुत अधिक है कि जिस क्वासर को हम देख रहे हैं आज उसका अस्तित्व भी नहीं हैं।
अब एक महत्त्वपूर्ण प्रश्न यह उठता है कि क्वासर का निर्माण कैसे होता है? इस सम्बंध में खगोल वैज्ञानिकों द्वारा कई परिकल्पनाएं प्रस्तुत की गई हैं। कुछ खगोलविदों का अनुमान है कि क्वासर का निर्माण कृष्ण विवर (ब्लैक होल) द्वारा त्वरण तश्तरी (एक्सेलेरेशन डिस्क) में पदार्थों के निगलने के कारण होता है। त्वरण तश्तरी में जैसे-जैसे पदार्थ का वेग बढ़ता जाता है, उसका तापमान भी बढ़ता जाता है। पदार्थ के कणों का आपसी टकराव प्रकाश तथा एक्स-रे के अलावा अन्य रूपों में ऊर्जा उत्पन्न करता है। वैज्ञानिकों का अनुमान है कि कोई भी कृष्ण विवर प्रत्येक वर्ष हमारे सूर्य के द्रव्यमान के बराबर पदार्थ निगल लेता है।
जब पदार्थ कृष्ण विवर में अपना अस्तित्व खो देता है तो वह असीम मात्रा में ऊर्जा के रूप में रूपान्तरित होकर कृष्ण विवर के उत्तरी तथा दक्षिणी ध्रुवों से तेज़ी के साथ बाहर निकलता है। खगोलविद इसे ब्रह्माण्डीय फव्वारा (कॉस्मिक जेट) कहते हैं।
परन्तु कुछ खगोलविद क्वासर की उत्पत्ति सम्बंधी उपर्युक्त परिकल्पना से सहमत नहीं हैं। इन खगोलविदों के मुताबिक क्वासर वस्तुतः एक प्रकार की नवजात मंदाकिनी है। चूंकि मंदाकिनियों की उत्पत्ति और विकास की प्रक्रिया के सम्बंध में फिलहाल बहुत कम जानकारी प्राप्त है, अतः यह संभव है कि क्वासर किसी मंदाकिनी के शैशव काल का प्रतिनिधित्व करते हों। यानी हो सकता है कि क्वासर से उत्सर्जित जो ऊर्जा हमें दिखाई पड़ती है वह किसी नवजात तथा सक्रिय मंदाकिनी के क्रोड (कोर) से उत्सर्जित होकर आ रही हो।
कुछ अन्य वैज्ञानिकों ने क्वासर की उत्पत्ति के सम्बंध में एक तीसरी परिकल्पना प्रस्तुत की है। उनके मतानुसार क्वासर सुदूर अंतरिक्ष में स्थित वे बिंदु हैं जहां नया पदार्थ हमारे ब्रह्मांड में प्रविष्ट हो रहा है।
इस दृष्टिकोण से देखा जाए तो क्वासर को कृष्ण विवर के ठीक विपरीत माना जा सकता है। परन्तु यह परिकल्पना सिर्फ एक अटकल मात्र है जिसके पीछे कोई सशक्त वैज्ञानिक आधार नहीं है। अधिकांश वैज्ञानिक इस परिकल्पना का समर्थन नहीं करते।
क्वासर की खोज सन 1960 में टी. मैथ्यू तथा ए. सैंडेज़ नामक वैज्ञानिकों द्वारा कन्या तारामंडल में की गई थी। इन खगोलविदों ने इस क्वासर का नाम रखा ‘3क्273’।
फिर तीन साल बाद सन 1963 में देखा गया कि इस खगोलीय पिण्ड का लाल विस्थापन बहुत ही अधिक है। इस पिण्ड के वास्तविक स्वभाव की जानकारी तब प्राप्त हुई जब पता चला कि इसके द्वारा तीव्र ऊर्जा का उत्सर्जन एक छोटे से क्षेत्र से हो रहा है। अब क्वासर की पहचान मुख्य रूप से अत्यधिक लाल विस्थापन के आधार पर ही की जाती है।
अब तक खगोलविदों द्वारा दो हज़ार से अधिक क्वासर की खोज की जा चुकी है। क्वासर की पहचान में हबल अंतरिक्ष दूरबीन से काफी सहायता प्राप्त हुई है।
हालांकि क्वासर वैज्ञानिकों के लिए अभी भी एक रहस्य बने हुए हैं, परन्तु टेक्नॉलॉजी के विकास की गति को देखते हुए कहा जा सकता है कि जल्दी ही वैज्ञानिक क्वासर के सभी रहस्यों पर से पर्दा उठाने में सक्षम हो जाएंगे।
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