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48 votes

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How much more expensive are scientific instruments for space use?

answered Jun 4, 2018 at 0:54

15 votes

What keeps the pressure stable inside the ISS?

answered Sep 22, 2021 at 17:52

12 votes

Why doesn't the ISS orient itself to the Earth's magnetic field like a compass needle?

answered Jun 29, 2021 at 17:07

10 votes

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How do Falcon 9 fairings survive the reentry?

answered Feb 23, 2018 at 23:00

8 votes

If solar radiation can heat up gas particles in the thermosphere, why will it not heat up a spacecraft?

answered Jan 5, 2020 at 0:17

7 votes

Highest DC voltage ever intentionally produced in space?

answered Sep 19, 2020 at 14:15

7 votes

Falcon 9: engines stabilize spin

answered Dec 6, 2018 at 14:35

6 votes

Which was louder, SRBs or SSMEs?

answered May 26, 2021 at 17:17

5 votes

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What is the chance that there is atleast one water molecule in a given volume of space

answered May 29, 2023 at 4:11

5 votes

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Why escape pods activates thrusters when landing on water ?

answered Jun 11, 2017 at 14:18

4 votes

When and where on Planet Mars are the Sun's rays the most blueshifted?

answered Nov 5, 2020 at 2:46

3 votes

Could a carbon arc lamp help to propel a spacecraft through interstellar space?

answered Apr 22, 2020 at 5:55

3 votes

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What is the definition of a "spacecraft emergency" at the ISS, and what is the response to it?

answered Jul 31, 2021 at 1:14

3 votes

Were both Computers active during the Landing of Curiosity and Perseverance

answered Nov 13, 2021 at 4:22

2 votes

Working in the space industry with a Physics degree

answered Nov 14, 2021 at 23:10

2 votes

What CPU does China's Zhurong rover use?

answered Apr 20, 2023 at 1:04

1 vote

What will the X-ray communications (XCOM) transmitter look like?

answered Jul 14, 2020 at 4:47

0 votes

How would someone go about proving that every single fact that we know about the universe is really a fact?

answered Feb 23, 2021 at 23:45

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18 Answers

How much more expensive are scientific instruments for space use?

What keeps the pressure stable inside the ISS?

Why doesn't the ISS orient itself to the Earth's magnetic field like a compass needle?

How do Falcon 9 fairings survive the reentry?

If solar radiation can heat up gas particles in the thermosphere, why will it not heat up a spacecraft?

Highest DC voltage ever intentionally produced in space?

Falcon 9: engines stabilize spin

Which was louder, SRBs or SSMEs?

What is the chance that there is atleast one water molecule in a given volume of space

Why escape pods activates thrusters when landing on water ?

When and where on Planet Mars are the Sun's rays the most blueshifted?

Could a carbon arc lamp help to propel a spacecraft through interstellar space?

What is the definition of a "spacecraft emergency" at the ISS, and what is the response to it?

Were both Computers active during the Landing of Curiosity and Perseverance

Working in the space industry with a Physics degree

What CPU does China's Zhurong rover use?

What will the X-ray communications (XCOM) transmitter look like?

How would someone go about proving that every single fact that we know about the universe is really a fact?