Moon Impact Probe

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Moon Impact Probe being integrated with Chandrayaan-1 orbiter Chandrayaan-1-MIP1.jpg
Moon Impact Probe being integrated with Chandrayaan-1 orbiter
Moon Impact Probe being worked on before integration with orbiter Chandrayaan-1-MIP2.jpg
Moon Impact Probe being worked on before integration with orbiter

The Moon Impact Probe (MIP) developed by the Indian Space Research Organisation (ISRO), India's national space agency, was a lunar probe that was released by ISRO's Chandrayaan-1 lunar remote sensing orbiter which in turn was launched, on 22 October 2008, aboard a modified version of ISRO's Polar Satellite Launch Vehicle. It discovered the presence of water on the Moon. [1] [2]

Contents

The Moon Impact Probe separated from the Moon-orbiting Chandrayaan-1 on 14 November 2008, 14:36:54 UTC and after nearly 25 minutes hard landed as planned, near the rim of Shackleton Crater. [3] [4] [5] With this mission, ISRO became the fifth national space agency to land on the lunar surface. Other nations whose national space agencies to have done so prior were the former Soviet Union in 1959, [6] the United States in 1962, [7] [8] Japan in 1993, [9] and ESA member states in 2006. [10] [11] [12]

History

The probe was a product of former President Abdul Kalam's suggestion [13] who felt that since the Chandrayaan orbiter was already going so near to the Moon, the mission would have more scientific relevance if the probe was included. He believed that the Moon could not be left to a few countries and that India should not be left behind [14] The Times of India also reported a political motive by former president Abdul Kalam as "He believed that if this was done, India could always stake a claim to a portion of the Moon." [11] At the same time, The Indian Express reported Kalam as saying "no nation can claim the Moon as its own. The resources of the Moon should be a common property and that is one of the aims of the Moon mission." [15]

Mission objectives

The main objectives of the MIP were to demonstrate the technologies for reaching a specified location on the Moon, qualifying technologies required for any future soft landing missions, and scientific exploration of the Moon from close range just prior to the impact. [16] [17] [18]

Configuration and payloads

The MIP carried three instruments: [19]

The probe used aluminium-honeycomb sandwich structure onto which the payloads were mounted. The probe was attached to the orbiter with a ball lock separation system which jettisoned the unit from the Chandrayaan. A solid propellant de-orbit mortar nudged the craft out of lunar orbit, while solid propellant based thrusters were fired to spin-stabilize the orientation enabling the imaging system to capture the descent profile. [20]

The probe's external surface had four oval-shaped anodised aluminium plates measuring 120mm X 180mm [21] on which the image of the Indian flag was depicted, complete with the Emblem of India and the words "Satyameva Jayate". [21] These plates were attached to each one of the four vertical sides of the probe. As per ISRO specifications these plates had to endure a temperature range from −50 degrees celsius and as high as more than 150 degrees celsius. [21]

Mission chronology

India launched the Chandrayaan-1 spacecraft using a modified version of the PSLV C11 [22] [23] on 22 October 2008 from Satish Dhawan Space Centre, Sriharikota, Andhra Pradesh at 06:22 IST (00:52  UTC). [24]

The lunar probe separated from Chandrayaaan-1, in a 102 km circular polar orbit around the Moon, at 20:06 IST on 14 November 2008. [25] After separation, it first fired its spin up rockets and then its retro rocket to de-orbit itself into the lunar surface. [26] While descending, the MIP continuously sent information back to the Chandrayaan-1 orbiter which in turn beamed the information back to Earth. After a 25-minute descent, it struck the Moon at 20:31 IST, 14 November 2008 at a speed of 1.69 kilometers per second (approximately 6100 km/h or 3800 miles per hour). [26] It crashed into Shackleton Crater, at the lunar south pole, near 89°33′S122°56′W / 89.55°S 122.93°W / -89.55; -122.93 , [27] [28] at 20:31 on 14 November 2008. [25]

Discovery of water

On 25 September 2009, ISRO announced that the MIP had discovered water on the Moon during its descent just before impact. [1] This announcement was made after the discovery of water was announced on 24 September 2009 by Science magazine by the NASA payload Moon Mineralogy Mapper carried on board Chandrayaan-1. [29] MIP discovered water on the Moon before NASA's Moon Mineralogy Mapper, the announcement of this discovery was not made until NASA confirmed it. [2] [30]

Site location and naming

The approximate impact location of the probe ( 89°46′S39°24′W / 89.76°S 39.40°W / -89.76; -39.40 ) [31] was named as Jawahar Sthal in India after the first Prime Minister of India, on whose birth anniversary [32] [33] incidentally the event took place. The name was suggested by A. P. J. Abdul Kalam to honor his vision that was crucial to the creation of INCOSPAR and later ISRO. [34] [35]

The initial location was later refined to the Earth-facing slope of the connecting ridge between Shackleton (crater) and De Gerlache (crater) near coordinates ( 89°33′S122°56′W / 89.55°S 122.93°W / -89.55; -122.93 ) by matching images from MIP camera to LROC NAC image mosaic. [36]

See also

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<span class="mw-page-title-main">Chandrayaan-1</span> First lunar orbiter of Indias Chandrayaan Programme

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<span class="mw-page-title-main">Moon Mineralogy Mapper</span>

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<span class="mw-page-title-main">Lunar Reconnaissance Orbiter</span> NASA robotic spacecraft orbiting the Moon

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<span class="mw-page-title-main">Chandrayaan-2</span> Ongoing Indian lunar orbiter mission

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<span class="mw-page-title-main">Lunar south pole</span> Southernmost point on the Moon

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<span class="mw-page-title-main">Chandrayaan programme</span> Indian Lunar exploration programme

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<span class="mw-page-title-main">Jawahar Point</span> Moon Impact Probes hard landing site

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<i>Pragyan</i> (Chandrayaan-3) Indian lunar rover

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<span class="mw-page-title-main">Chandrayaan-3</span> Indian lunar lander mission

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References

  1. 1 2 "MIP detected water on Moon way back in June: ISRO Chairman". The Hindu . Bangalore. 2009-09-25. Retrieved 2013-06-09.
  2. 1 2 "Chandrayaan first discovered water on moon, but?". DNA . Bangalore. DNA. 2009-09-25. Retrieved 2013-06-09.
  3. ↑ "NASA - NSSDCA - Spacecraft - Details". nssdc.gsfc.nasa.gov. Retrieved 2023-10-03.
  4. ↑ "Chandrayaan-1 starts observations of the Moon". www.esa.int. Retrieved 2022-07-29.
  5. ↑ "An afterthought". frontline.thehindu.com. 2008-12-18. Retrieved 2022-07-29.
  6. ↑ "Luna 2". US National Space Science Data Center. Retrieved 2013-12-03.
  7. ↑ "Ranger 3". US National Space Science Data Center. Retrieved 2013-12-03.
  8. ↑ "Hiten". NASA Space Science Data Coordinated Archive (NSSDCA). Retrieved 2019-04-12.
  9. ↑ "Hiten". NASA Space Science Data Coordinated Archive (NSSDCA). Archived from the original on 2019-04-17. Retrieved 2019-04-12.
  10. ↑ "Probe crashes into Moon's surface". BBC News. 2006-09-03. Retrieved 2010-05-23.
  11. 1 2 Laxman, Srinivas (2008-11-15). "Chandrayaan-I Impact Probe lands on moon". Times Of India . Retrieved 2008-11-14.
  12. ↑ "China's lunar probe Chang'e-1 impacts moon_English_Xinhua". news.xinhuanet.com. Archived from the original on 2009-03-02.
  13. ↑ "An afterthought". Frontline. 2008-12-18. Retrieved 2023-09-19.
  14. ↑ "India's Moon Mission". politicalaffairs.com. 2008-10-27. Archived from the original on 2015-10-17. Retrieved 2013-11-06.
  15. ↑ Service, Express News (2008-11-11). "Kalam turns teacher in the midst of students". newindianexpress.com. Archived from the original on 2014-04-12. Retrieved 2014-04-11.
  16. ↑ "Payload bearing Tricolour will land on Moon". The Economic Times. 2008-10-15. Retrieved 2008-10-24.
  17. ↑ "Moon Impact Probe". ISRO. Archived from the original on 2008-10-26. Retrieved 2008-10-24.
  18. ↑ "Chandrayaan team over the moon". The Hindu . Chennai, India. 2008-11-15. Archived from the original on 2008-12-16.
  19. ↑ "Moon Impact Probe (MIP)". ISRO. Archived from the original on 2008-10-26. Retrieved 2008-10-24.
  20. ↑ "Moon Impact Probe Chandrayaan-I" (PDF). Archived from the original (PDF) on 2020-03-26.
  21. 1 2 3 "Blore firm behind the Chandrayaan tri-colour". Deccan Herald. 2008-11-16. Retrieved 2008-11-17.[ dead link ]
  22. ↑ "Mission Sequence". Indian Space Research Organisation (ISRO) . Retrieved 2008-11-05.
  23. ↑ "Chandrayaan-1 shifted to VAB". The Hindu . Chennai, India. 2008-10-22. Archived from the original on 2008-10-17. Retrieved 2008-10-15.
  24. ↑ "PSLV-C11 Successfully Launches Chandrayaan-1". Indian Express. 2008-10-22. Archived from the original on 2008-10-25. Retrieved 2008-10-22.
  25. 1 2 "Chandrayaan team over the moon". The Hindu . Chennai, India. 2008-11-15. Archived from the original on 2008-12-16.
  26. 1 2 "Indian Tricolour lands on Moon". The Indian Express. 2008-11-14. Archived from the original on 2012-10-04. Retrieved 2008-11-14.
  27. ↑ "Frontline India's National Magazine - Moon Mystery - Moon Impact Probe impact coordinates". Archived from the original on 2011-01-10. Retrieved 2011-01-01.
  28. ↑ "Chandrayaan-1 Moon Impact Probe: Impact Location Refined" (PDF). Archived (PDF) from the original on 2021-02-05. Retrieved 2021-08-16.
  29. ↑ "Water on the Moon?". Science Magazine. 2009-09-25. Retrieved 2009-09-29.
  30. ↑ Bagla, Pallav (2009-09-25). "Did India beat NASA to find water on moon?". NDTV . Bangalore. Retrieved 2013-06-09.
  31. ↑ "Note verbale dated 13 October 2009 from the Permanent Mission of India to the United Nations (Vienna) addressed to the Secretary-General" (PDF).
  32. ↑ "Indian tricolour lands on moon". The New Indian Express. 2012-05-14. Retrieved 2023-09-17.
  33. ↑ "Indian Tricolour Placed on the Moon on Pandit Jawaharlal Nehru's Birthday". 2008-11-14. Archived from the original on 2008-11-19.
  34. ↑ "Chandrayaan-1: The first time India 'touched' the Moon". The Indian Express. 2023-08-23. Archived from the original on 2023-08-27. Retrieved 2023-08-27. You, buddy, you have done it!" Dr Kalam told Nair. To the entire control room, he said: "Today is a historic day as India has accomplished this fantastic mission. I congratulate each and every one of you!"
    Before returning to New Delhi, however, he made a notable suggestion – to name the impact site after Pandit Nehru, on whose birthday the landing was made and whose vision was crucial to the creation of Isro. After receiving appropriate permissions from the government, the site was named "Jawahar Sthal
  35. ↑ Agencies (2023-08-27). "The day India first checked in on the Moon". The Shillong Times. Retrieved 2023-09-18.
  36. ↑ "lpi (iPosterSessions - an aMuze! Interactive system)". lpsc2021.ipostersessions.com. Retrieved 2023-09-07.
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