Space Exploration
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$I_{sp} = {v_e \over \pi^2}$

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118
Can a human land on Deimos using pressurized deodorant cans?
Apr 27, 2021
question
78
How do astronauts on EVA deal with nose itching?
Dec 10, 2015
answer
67
Why do ISS crew members often cross their arms?
Jun 2, 2017
answer
64
Why aren't the 'bedrooms' aboard the ISS also the escape pods?
May 8, 2017
answer
64
Did the Challenger SRBs fail due to design for reuse?
Jul 19, 2016
answer
54
Does the ISS have a watch system with at least one person monitoring at all times
Oct 2, 2017
answer
50
How does a space probe maintain its trajectory while passing through the extreme gravitational field of the gas giants of our solar system?
Jun 11, 2018
answer
50
Do astronauts live longer than earthlings?
Jul 19, 2018
question
47
Could the shuttle wait out the whole burn of SRBs on launchpad in case of a problem on launch?
Apr 4, 2017
question
46
Using ozone as oxidizer
Dec 19, 2016
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Feature request: add marvosym package to our MathJax set (for celestial body symbols)
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What's our policy on sci-hub links?
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Make conspiracy theories and tin-foil hat theories off-topic
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"Please invent my invention" or "Would X work?" questions; suitability and topicality?
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Rules for "Science Fiction" questions
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How to join lines without producing a space?
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How to run a command in the background with a delay?
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"Left" and "right" are to "side" as "front" and "rear" are to what?
69
Why do bitwise operators have lower priority than comparisons?
64
What's the story behind the name "X11"?

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