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Tagged with chandrayaan-spacecraft lunar-landing
4 questions
8
votes
1
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Chandrayaan landing ellipse size and rationale
From what I hear about the Chandrayaan-2 failure analysis, the spacecraft overshot its landing ellipse and, while struggling to backtrack, crashed. I have been wondering why they had specified a ...
- 1,162
9
votes
2
answers
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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 ...
- 151k
3
votes
1
answer
254
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What does Cees Bassa's Doppler plot of Chandrayaan 2 show?
Cees Bassa's tweet shows a plot of received frequency versus time, with the Doppler shift of the Moon's center of mass subtracted. For a lunar orbit the resulting plot would show sinusoidal-like ...
- 151k
23
votes
1
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ELI5: Why do they say that Israel would have been the fourth country to land a spacecraft on the Moon and why do they call it low cost?
In the news they say that
Israel hoped to become the fourth country to land a spacecraft on the Moon. Only government space agencies from the former Soviet Union, the US and China have made ...
