চন্দ্ৰযান ১

অসমীয়া ৱিকিপিডিয়াৰ পৰা
চন্দ্ৰযান ১
নিয়ন্ত্ৰক ভাৰতীয় মহাকাশ গৱেষণা সংস্থা
COSPAR ID 2008-052A
SATCAT № 33405
ৱেবছাইট www.isro.gov.in/Chandrayaan/htmls/home.htm
অভিযানৰ সময় Planned: 2 years
Achieved: 312 days
মহাকাশযানৰ বৈশিষ্টসমূহ
উত্‍ক্ষেপিত ভৰ Lua error in Module:Convert at line 695: attempt to index local 'utable' (a nil value).
অভিযানৰ আৰম্ভনি
উৎক্ষেপনৰ দিন 22 October 2008, 00:52 (2008-10-22UTC00:52Z) UTC
ৰকেট PSLV-XL[1]
উঃক্ষেপন কেন্দ্ৰ Satish Dhawan SLP
সঞ্চালক ISRO
অভিযানৰ সমাপ্তি
শেষ যোগাযোগ 28 August 2009, 20:00 (2009-08-28UTC21Z) UTC
Orbital parameters
Reference system Selenocentric
Periselene Lua error in Module:Convert at line 695: attempt to index local 'utable' (a nil value).
Aposelene Lua error in Module:Convert at line 695: attempt to index local 'utable' (a nil value).
Epoch 19 May 2009
Lunar orbiter
Orbital insertion 8 November 2008
Orbits 3,400 at EOM[2]

চন্দ্ৰযান ১ (সংস্কৃত: चन्द्रयान-१, lit: Moon vehicle[3][4] এই শব্দটোৰ বিষয়ে pronunciation ) ভাৰতৰ প্ৰথম মানৱবিহীন চন্দ্ৰযান. 2008 চনৰ অক্টোবৰ মাহত ভাৰতীয় মহাকাশ গৱেষণা সংস্থাই ইয়াক উত্…ক্ষেপন কৰে আৰু 2009 চনৰ আগষ্ট মাহলৈ চলাই ৰাখে। The mission included a lunar orbiter and an impactor. India launched the spacecraft using a PSLV-XL rocket, serial number C11,[1][5] on 22 October 2008 from Satish Dhawan Space Centre, Sriharikota, Nellore District, Andhra Pradesh, about 80 km north of Chennai, at 06:22 IST (00:52 UTC).[6] Former prime minister Atal Bihari Vajpayee announced the project on course in his Independence Day speech on 15 August 2003. The mission was a major boost to India's space program,[7] as India researched and developed its own technology in order to explore the Moon.[8] The vehicle was successfully inserted into lunar orbit on 8 November 2008.[9]

On 14 November 2008, the Moon Impact Probe separated from the Chandrayaan orbiter at 20:06 and struck the south pole in a controlled manner, making India the fourth country to place its flag on the Moon.[10] The probe impacted near the crater Shackleton at 20:31 ejecting underground soil that could be analysed for the presence of lunar water ice.[11][12]

The estimated cost for the project was INR৩৮৬ কোটি (৫৭.৩৬ মিলিয়ন মাৰ্কিন ডলাৰ). The remote sensing lunar satellite had a mass of Lua error in Module:Convert at line 695: attempt to index local 'utable' (a nil value). at launch and Lua error in Module:Convert at line 695: attempt to index local 'utable' (a nil value). in lunar orbit.[13] It carried high resolution remote sensing equipment for visible, near infrared, and soft and hard X-ray frequencies. Over a two-year period, it was intended to survey the lunar surface to produce a complete map of its chemical characteristics and three-dimensional topography. The polar regions are of special interest as they might contain ice.[14] The lunar mission carried five ISRO payloads and six payloads from other space agencies including NASA, ESA, and the Bulgarian Aerospace Agency, which were carried free of cost.[15]

After suffering from several technical issues including failure of the star sensors and poor thermal shielding, Chandrayaan stopped sending radio signals at 01:30 IST on 29 August 2009 shortly after which, the ISRO officially declared the mission over. Chandrayaan operated for 312 days as opposed to the intended two years but the mission achieved 95 percent of its planned objectives.[2][16][17][18] Among its many achievements was the discovery of the widespread presence of water molecules in lunar soil.[19]

লগতে চাওক[সম্পাদনা কৰক]

তথ্যসূত্ৰ[সম্পাদনা কৰক]

  1. 1.0 1.1 "Mission Sequence". ISRO. http://www.isro.org/chandrayaan/htmls/mission_sequence.htm। আহৰণ কৰা হৈছে: 5 November 2008. 
  2. 2.0 2.1 "Chandrayaan-I Spacecraft Loses Radio Contact". ISRO. 29 August 2009. http://isro.org/pressrelease/scripts/pressreleasein.aspx?Aug29_2009। আহৰণ কৰা হৈছে: 31 August 2009. 
  3. "chandra". Spoken Sanskrit. http://spokensanskrit.de/index.php?tinput=candra&direction=SE&script=HK&link=yes। আহৰণ কৰা হৈছে: 5 November 2008. 
  4. "yaana". Spoken Sanskrit. http://spokensanskrit.de/index.php?tinput=yaana&direction=SE&script=HK&link=yes। আহৰণ কৰা হৈছে: 5 November 2008. 
  5. "Chandrayaan-1 shifted to VAB". The Hindu. 22 October 2008. http://www.hindu.com/2008/10/15/stories/2008101556421300.htm। আহৰণ কৰা হৈছে: 15 October 2008. 
  6. "PSLV-C11 Successfully Launches Chandrayaan-1". ISRO. 22 October 2008. http://www.isro.gov.in/pressrelease/scripts/pressreleasein.aspx?Oct22_2008। আহৰণ কৰা হৈছে: 11 March 2012. 
  7. "India Moon mission is 'mixed success'". BBC News. 31 August 2009. http://news.bbc.co.uk/2/hi/south_asia/8230230.stm। আহৰণ কৰা হৈছে: 1 September 2009. 
  8. Pasricha, Anjana (22 October 2008). "India Launches First Unmanned Mission to Moon". Voice of America. http://voanews.com/english/archive/2008-10/2008-10-22-voa11.cfm। আহৰণ কৰা হৈছে: 27 December 2008. 
  9. "Chandrayaan-1 Successfully Enters Lunar Orbit". ISRO. http://www.isro.gov.in/pressrelease/scripts/pressreleasein.aspx?Nov08_2008। আহৰণ কৰা হৈছে: 8 November 2008. 
  10. "Tricolour's 4th national flag on Moon". Economic Times. 15 November 2008. http://economictimes.indiatimes.com/ET_Cetera/Tricolours_4th_national_flag_on_moon/articleshow/3714959.cms। আহৰণ কৰা হৈছে: 18 November 2008. 
  11. "Chandrayaan team over the Moon". The Hindu. 15 November 2008. http://www.hindu.com/2008/11/15/stories/2008111560851200.htm. 
  12. "Water on The Moon, I. Historical Overview". Astronomical Review খণ্ড 6 (8): 4–20. October 2011. http://astroreview.com/issue/2012/article/water-on-the-moon-i-historical-overview। আহৰণ কৰা হৈছে: 2012-10-03. 
  13. "Spacecraft Description". ISRO. http://www.isro.org/Chandrayaan/htmls/spacecraft_description.htm। আহৰণ কৰা হৈছে: 4 November 2008. 
  14. Bhandari N. (2005). "Title: Chandrayaan-1: Science goals" (PDF). Journal of Earth System Science খণ্ড 114: 699. doi:10.1007/BF02715953. http://www.ias.ac.in/jessci/dec2005/ilc-14.pdf. 
  15. Majumder, Sanjoy (21 October 2008). "India sets its sights on the Moon". BBC. http://news.bbc.co.uk/2/hi/south_asia/7681701.stm। আহৰণ কৰা হৈছে: 22 October 2008. 
  16. "Chandrayaan-1 mission terminated". The Hindu. 31 August 2009. http://www.hindu.com/2009/08/31/stories/2009083157910100.htm। আহৰণ কৰা হৈছে: 31 August 2009. 
  17. "Chandrayaan, India's first Moon mission is over: Project Director". Press Trust of India (Indian Express). 29 August 2009. http://www.expressindia.com/latest-news/Chandrayaan-Indias-first-moon-mission-is-over-Project-Director/508749/। আহৰণ কৰা হৈছে: 29 August 2009. 
  18. "Chandrayan not a failure: NASA astronaut". Press Trust of India. http://www.ptinews.com/news/276741_Chandrayan-not-a-failure--NASA-astronaut। আহৰণ কৰা হৈছে: 17 September 2009. 
  19. VOA News - Chandrayaan Lunar Probe detects water on Moon

বাহ্যিক সংযোগ[সম্পাদনা কৰক]