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6 votes
2 answers
2k views

How did sulphur come up to the surface of the moon?

We know that the Chandrayaan-3 mission found the presence of sulphur on the surface of the moon. How did it come up to the surface of the moon if this element is supposed to be in the moon's core ...
Amal's user avatar
  • 174
10 votes
1 answer
318 views

What went wrong in the Chandrayaan-2 mission with the Vikram lander?

On September 7th 2019, ISRO attempted to land a lunar lander ,Vikram, with rover , Pragyan, on the moon. It was very exciting to watch until the lander lost communication with ground station during ...
John's user avatar
  • 1,407
7 votes
3 answers
768 views

Why is the Duration of Time spent in the Dayside greater than that of the Night side of the Moon for Chandrayaan-2 Orbiter?

The following information is from ISRO's webpage on "Detection of Argon-40 in the lunar exosphere" (Textual information relevant to my question is in bold face): The Chandra’s Atmospheric ...
Vishnu's user avatar
  • 3,316
9 votes
2 answers
2k views

Why would thermal imaging be used to locate the Chandrayaan-2 lander?

Tweets and news suggest that Chandrayaan-2 lander may have been located, using thermal imaging by the Chandrayaan-2 orbiter. Space.com: India Just Found Its Lost Vikram Lander on the Moon, Still No ...
uhoh's user avatar
  • 151k
5 votes
2 answers
258 views

Chandrayaan 2: How has life of the orbiter increased from 1 year to more than 7 years?

https://timesofindia.indiatimes.com/india/chandrayaan-2-orbiter-has-life-of-7-yrs-95-of-mission-accomplished-isro/articleshow/71026990.cms The ISRO Chairman has reported that the economic use of fuel ...
shreyase99's user avatar
40 votes
4 answers
7k views

Are there any space probes or landers which regained communication after being lost?

Recently, ISRO Vikram lander of Chandrayaan 2 lost its communication just before 2.1 km from lunar surface. ISRO staff still trying to regain the signals. Are there any space probes/landers which ...
Junaid Ahmed's user avatar
7 votes
1 answer
530 views

What are the operating systems and network stack in the Chandrayaan - 2 vehicles?

I am trying to find the information about the operating systems that are run in all of the Chandrayaan - 2 vehicles, the orbiter, lander and Rover. Are these just firmwares? Or how are different ...
soham's user avatar
  • 171
8 votes
1 answer
386 views

Did the cold temperature of the lunar south pole cause Chandrayaan-2's on board electronics to fail?

Chandrayaan-2's lander Vikram was performing nominally during descent until about 2 km before landing, but then suddenly the communication was lost. Did cold temperature of the lunar south pole cause ...
earthProgrammer's user avatar
15 votes
1 answer
577 views

Is there any way to determine the fate of Chandrayaan-2?

The lander Vikram of Chandrayaan-2 lost contact with ISRO shortly before an expected landing. Is there any way to find out if it landed without crashing? For example, are there satellites orbiting ...
William R. Ebenezer's user avatar
1 vote
2 answers
551 views

Chandrayaan-2 orbiter and lander communications with Earth (IDSN)

In the Seeker video India Could Be the First to Land on the Moon’s South Pole a bit after 04:20 the narrator says: Okay, well right about now you’re probably ...
uhoh's user avatar
  • 151k
5 votes
0 answers
242 views

What was Chandrayaan-1's ground track?

I was looking for a map of Chandrayaan-1's ground track, but I wasn't able to find one. I'm looking for something like this:              &...
user avatar