Schwern

Member for 9 years, 2 months
Last seen more than a week ago

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7,986

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145/100 score

5/20 answers

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Answers

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Score Activity Newest

100

Why doesn't the Falcon-9 first stage use three legs to land?

Aug 19, 2019

86

Can I be a NASA astronaut as a 5 feet 6 inches 16-year-old Bangladeshi girl with eyesight problems?

Mar 6, 2021

58

Can't astronauts use ball point pens in space?

Jun 29, 2020

57

If we can get people to the moon and back, why are we so adamant that it's impossible to service James Webb at 4x that with a one way robotic vehicle?

Dec 26, 2021

48

Why is it so hard to build crewed rockets/spacecraft able to reach escape velocity?

Jan 16, 2021

Questions

Score Activity Newest Views

10

Why does DSCOVR appear to be missing solar cells?

Feb 9, 2015

7

What would a human rocket be like to launch a human off Mimas?

Jan 25, 2020

4

What time zone is used for JPL tests?

Feb 25, 2021

4

What does it take to upgrade a radio antenna to receive from the surface of Mars?

Mar 2, 2021

1

Why does it cost more to get to L4/5 than C3=0?

Jan 16, 2021

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rockets

147

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5

posts

nasa

145

Score

5

posts

spacex

131

Score

4

posts

falcon-9

131

Score

4

posts

james-webb-telescope

109

Score

4

posts

Reputation

+10

Rocket fuel cost to launch 1 kg to orbit

+20

Can't astronauts use ball point pens in space?

+10

Do the velocities of orbital debris have a bias in the direction of Earth's rotation?

+10

Why is the ring of exhaust gas immediately below the F1 nozzle so dark?

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Dec 27, 2021
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Sep 21, 2021

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Feb 9, 2015
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Jul 27, 2016
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Mar 3, 2021

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