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Thread: Chandrayaan-II mission

  1. #1
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    Chandrayaan-II mission

    Next year ISRO will try and land a rover on the moon. That mission is called Chandrayaan-II mission. Have decided to dedicate a new thread fot it.

    http://tecake.in/news/science/isro-p...ion-24337.html

    In order to help Indian space scientists overcome the challenges of landing on Moon and Mars, researchers will fly a small aircraft breaching the ‘no fly zone’ rules over Bengaluru. What’s striking is that the aircraft will carry a special payload of country’s second lunar mission — Chandrayaan-II. The aircraft will drop the payload over a scooped out area in order to mimic lunar surface with large craters and check whether the scientists can successfully touch down the surface.

    Moon contains over 1.8 lakh craters and each of them has a diameter of over 1km which makes it difficult for scientists to land the rover on a plane surface. Scientists at ISRO (Indian Space Research Organisation) will conduct several critical tests to ensure landing takes place on even surface before the commencement of second lunar mission.

    “This is the first time we are going to attempt to land on the Moon, so we want to be meticulous with our computation and technology,” said officials from ISRO. The lunar rover will monitor surface of Moon and it will rely on the Orbiter High Resolution Camera (OHRC) for accurate inputs. The rover weighs 20kg and harnesses the power from Sun. Scientists has given it wheels to move on rugged surface.

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    The article doesn't propose a landing site with all those craters, unless I missed something.

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    Quote Originally Posted by bknight View Post
    The article doesn't propose a landing site with all those craters, unless I missed something.
    I have not seen any report that says exactly where they are planning to land.

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    ISRO starts landing tests for Chandrayaan-2 mission

    http://www.thehindu.com/news/nationa...cle9262825.ece

    The Indian Space Research Organsiation started a series of ground and aerial tests linked to the critical Moon landing of Chandrayaan-2 on Friday, at its new site at Challakere in Chitradurga district, 400 km from Bengaluru.

    ISRO Satellite Centre or ISAC, the lead centre for the second Moon mission, has artificially created close to ten craters to simulate the lunar terrain and test the Lander’s sensors.

    A small ISRO aircraft has been carrying equipment with sensors over these craters to plan the tasks ahead.

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    While waiting for the launch of Chandrayaan-2 next year, it is nice to know where Chandrayaan-1 is (courtesy of NASA).

    http://zeenews.india.com/space/chand...r_1985171.html

    The Chandrayaan-1 spacecraft, India's first lunar mission and which was generally considered lost, has been detected orbiting the Moon, says NASA.

    The discovery was made by NASA scientists with new technological application of interplanetary radar.

    In addition to Chandrayaan-1 spacecraft, the US space agency also located NASA's Lunar Reconnaissance Orbiter (LRO) around the Moon.

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    Chandrayaan-II is slated to launch in March 2018. Only 6 months away.

    http://www.hindustantimes.com/scienc...SxMGSFArJ.html

    India is aiming for the moon, again.

    Indian Space Research Organisation’s second unmanned moon mission, Chandrayaan 2, will lift off in March 2018, a decade after Chandrayaan 1 was launched, Isro sources told Hindustan Times on Tuesday.

    Chandrayaan 2 would be launched on a Geosynchronous Satellite Launch Vehicle Mark 2 (GSLV Mk 2) that will blast off from the Satish Dhawan Space Centre in Sriharikota in Andhra Pradesh, sources said, refusing to disclose the exact lift-off date.

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    More details of the mission including one that will measure the dust floating on the moon.

    The other bit of information I found interesting was the total cost of the mission including the cost of rocket and launch ----- US93 million.

    http://www.nature.com/news/india-gea...ission-1.22870

    "In a large shed near the headquarters of the Indian Space Research Organisation (ISRO) in Bangalore, a six-wheeled rover rumbles over dark grey rubble in a landscape designed to mimic the Moon’s rocky surface. This test and others scheduled for the next few weeks are crucial steps in India’s quest to launch a second mission to the Moon next March.

    The country’s much anticipated Chandrayaan-2 comes almost a decade after India began its first journey to the Moon, in 2008. “It is logically an extension of the Chandrayaan-1 mission,” says Mylswamy Annadurai, director of the project at ISRO. The spacecraft comprises an orbiter that will travel around the Moon, a lander that will touch down in a as-yet undecided location near the Moon’s south pole and a rover."

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    Quote Originally Posted by selvaarchi View Post
    The other bit of information I found interesting was the total cost of the mission including the cost of rocket and launch ----- US93 million.
    Wow! That seems like a bargain.
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    Yup, impressive.

    More info here:
    https://en.wikipedia.org/wiki/Chandrayaan-2

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    Emily Lakdawalla on Chandrayaan-2 mission.

    http://www.planetary.org/blogs/emily...2-mission.html

    The launch of the next Moon mission could be just four months away. India plans to return to the Moon in a big way with the ambitious Chandrayaan-2, which includes an orbiter, lander, and a small rover. If it all succeeds, it will be India's first soft landing on another world, and only the second such landing since the end of the Apollo and Luna era. For India, landing success would be "a stepping stone for future exploration missions to other planets," according to Indian Space Research Organisation Satellite Centre (ISAC) director M. Annadurai.

    The orbiter is a capable one, planned to carry eight instruments into a 100-kilometer, circular, polar lunar orbit, following on the work of India's previous orbiter, Chandrayaan-1. It has a nominal mission lifetime of one year. The lander and rover payloads are more limited, as befits the first demonstration of a soft lander. The lander and rover have nominal lifetimes of one lunar daytime (14 Earth days). I was unable to find any information on whether there is any possibility that the lander or rover could wake up again after the long lunar night, as China's Chang'e 3 lander has done for years. It's enough to hope that India can follow its first and only lunar orbiter with its first lunar lander.

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    India is trying to beat China to the South pole of the moon. Chandrayaan-2 is to try and softland on a table-flat plain about 600 kilometers from the south pole. Go India.

    http://www.sciencemag.org/news/2018/...n-s-south-pole

    Sometime this summer, a spacecraft orbiting over the moon's far side, out of contact with controllers on Earth, will release a lander. The craft will ease to a soft landing just after lunar sunrise on an ancient, table-flat plain about 600 kilometers from the south pole. There, it will unleash a rover into territory never before explored at the surface; all previous lunar craft have set down near the equator.

    That's the ambitious vision for India's second voyage to the moon in a decade, due to launch in the coming weeks. If Chandrayaan-2 is successful, it will pave the way for even more ambitious Indian missions, such as landings on Mars and an asteroid, as well a Venus probe, says Kailasavadivoo Sivan, chairman of the Indian Space Research Organisation (ISRO) here. Chandrayaan-2, he says, is meant to show that India has the technological prowess "to soft land on other heavenly bodies."

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    Great news.

    India's space achievements are impressive. I hope they continue to eschew manned activity. I believe continued investment in autonomous technologies will more quickly lead to ISRU.

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    As we are only weeks away from the launch of Chandrayaan-2 expect more articles on the mission to appear in the Indian press.

    http://www.navhindtimes.in/countdown...chandrayaan-2/

    If things go as per schedule, then in last week of March, ISRO would launch India’s second Mission to Moon – Chandrayaan-2. This article is an early alert to local media and science teachers in all educational institutions who wake up late when India launches a major space-mission. It is extremely important to educate and involve the students from a very young age in such historic missions because today’s generation is much more technologically advanced to understand the importance and significance of exploration of Moon. There wasn’t much enthusiasm in Goa during Chandrayaan-1 mission in October 2008 or more ambitious Mars Orbiter Mission or Mangalyaan in September 2014.

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    The launch has been delayed. ISRO want to carry out further test.

    https://timesofindia.indiatimes.com/...w/63141718.cms

    India’s second mission to the moon, Chandrayaan-2, is likely to be launched only in October. Further delays cannot be ruled out if systems are not yet in place by then.

    An Isro official told TOIseveral tests have to be done and arrangements need to be made. “We do not want to be in a hurry,” he said. Chandrayaan-2 consists of an orbiter with one-year mission span, a lander and a rover that can operate for 14 to 15 days on the lunar surface. The rocket will be GSLV Mark 2.

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    Chandrayaan-2 mission saved US120 million by launching using their own rocket.

    http://www.moondaily.com/reports/Ind...ssion_999.html

    The Indian Space Research Organisation (ISRO) has claimed that it has saved $120 million in public money in the upcoming moon mission "Chandrayaan-2," which is expected to be launched in October-November this year.

    "The total cost of the mission is about INR 800 crore ($124 million), which includes INR 200 crore ($31 million) as the cost of launching and INR 600 crore ($93 million) for the satellite.

    "This cost is almost half of $232 million, which would have been otherwise incurred if the same mission had to be launched from a foreign launching site," K. Sivan, the ISRO chairman, said during his discussion with India's Minister of State for Space Jitendra Singh on Wednesday.

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    Now more delays to launch Chandrayaan 2. One reason, it has got heavier and will need GSLV MKIII instead of MKII.

    https://www.ndtv.com/india-news/chan...urface-1895221

    On the second visit to moon, India hopes to soft land near the south pole of moon and explore the lunar surface with a tiny six-wheeled moon rover and conduct experiments. Technical glitches are causing delays at ISRO.

    Dr M Annadurai, Director of U R Rao Satellite Centre confirmed to NDTV that the launch date for Chandryaan-2 "is slipping to 2019" from the initially planned launch in October this year.

    Dr Annadurai said that India's moon mission now aims to land in February and the rocket launch will take place in January next year.

    Moreover, since the weight of the Chandrayaan-2 satellite has increased, Dr Annadurai said that now instead of GSLV MK-II, GSLV MK-III will be used. Geo-synchronous Satellite Launch Vehicle MK-III (GSLV MK-III), also called the 'The Bahubali', is India's heaviest rocket that weighs nearly 640 tons and will be used to hoist the Chandrayaan-2 satellite from India's rocket port at Sriharikota.

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    Chandrayaan-2 mission lander has a name Vikram

    https://timesofindia.indiatimes.com/...w/65380649.cms

    The lander on the Chandrayaan-2 mission, to be launched early next year, will be named ‘Vikram’ after Vikram Sarabha, father of the Indian space programme.

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    Emily Lakdawalla on Chandrayaan-2 mission delays.

    http://www.planetary.org/blogs/emily...h-delayed.html

    Chandrayaan-2, originally scheduled for launch in December 2016 and most recently scheduled for October 2018, will now be launching no earlier than 3 January 2019, with its lander and rover touching down near the lunar south pole in February. The launch period extends to mid-March (TOI). ISRO chose this week to announce the naming of the lander "Vikram" in honor of the former ISRO chairman Vikram Sarabhai (HT).

    As with most ISRO mission news, there isn't anything about this on ISRO's websites. In fact, their website still lists the Chandrayaan-2 launch as happening in "second half of 2018." I have to composite a story from reports on newspaper websites. Therefore, what follows is second-hand information, and is unverified. I'm indicating newspaper sources in parentheses.

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    Article covers the Chandrayaan-2 mission very well.

    http://www.spacetechasia.com/indias-...chandrayaan-2/

    An Indian spacecraft’s second tryst with earth’s only natural satellite in the form of the Chandrayaan-2 mission has been ongoing for some time now. What started as a joint mission with Russia has become a full-fledged Indian mission after the failure of the Russians to deliver the Lander on time and hence their withdrawal from the mission. India decided to develop the Lander on their own and continue the mission.
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  20. #20
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    The Planetary Society carries an article describing some of the instruments being used in this mission.

    http://www.planetary.org/explore/the...ploration.html

    After the phenomenal success of the Chandrayaan-1 orbiter, the Indian Space Research Organisation is gearing up for its second lunar mission, Chandrayaan-2, slated to be launched in January 2019. Developed entirely in India, this mission represents a number of technological firsts for the space agency: the heaviest interplanetary launch mass at about 3,890 kilograms (8,580 pounds), the first Indian soft landing, and the first-ever lunar south pole landing, to name a few. The mission aims to address some of the major scientific questions concerning the Moon by studying its topography, polar volatile deposits, mineralogy, elemental abundance, and exosphere.
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