Space Exploration
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ray
  • Member for 7 years, 8 months
  • Last seen more than a month ago
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9
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About

Prof. Emeritus Univ. Lorraine

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67
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4
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44
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22
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Top posts
All Questions Answers
Score Newest
question
6
Is there an onboard video of the Soyuz MS 10 launch?
Oct 14, 2018
question
4
Why does it take 2-3 years to build the third IDA?
Aug 20, 2016
question
3
Will Nasa take the opportunity for another one year ISS mission now?
May 15, 2018
question
3
short duration of crew 4 mission
May 7, 2022
question
2
Where will the sample tubes on Perseverance be stocked?
Sep 7, 2021
question
2
are there any posters available with all astronauts/cosmonauts?
Nov 17, 2016
question
2
Was footage released of the Soyuz TMA-20M crew arrival ceremony?
Mar 28, 2016
question
2
Soyuz TMA-19M return
Jun 7, 2016
question
2
Why did these cosmonauts retire early in their careers?
Jun 18, 2016
Top network posts
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6
Logarithms of matrices in the disk-algebra
6
A theorem by R.L. Moore
5
connected stable rank
5
sums of zero-free entire functions and its siblings on the disk
5
A question on triangles in the disk

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