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Schwern's user avatar
Schwern's user avatar
Schwern's user avatar
Schwern
  • Member for 9 years, 11 months
  • Last seen more than a week ago
100 votes
Accepted

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

85 votes

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

58 votes

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?

58 votes

Can't astronauts use ball point pens in space?

48 votes
Accepted

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

42 votes
Accepted

How do US citizens vote in space?

41 votes
Accepted

Why is the speed of James Webb Space Telescope decreasing?

40 votes

Why is it assumed that space flights have to be safe?

31 votes

What led NASA et al. to decide the ISS should be a zero-g station when the massive negative health and quality of life impacts of zero-g were known?

28 votes

Why not build Saturn V's again?

22 votes
Accepted

Why is there so little price difference between the Falcon 9 and the Falcon Heavy?

22 votes

What would be necessary in order for us to achieve a single stage to orbit, reusable rocket?

17 votes

Why did the communication cable of the Perseverance rover make an angle so great with the other three cables?

16 votes

Is the EU really banning "toxic propellants" in 2020? How is that going to work?

14 votes

Cheapest rocket to go to space?

11 votes

Rocket fuel cost to launch 1 kg to orbit

11 votes

Is it common and good engineering for a pair of cables to be easily plugged into each other's connectors in modern spacecraft

11 votes
Accepted

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

9 votes

Is it possible to perform the Galileo's Leaning Tower of Pisa experiment on the Moon?

9 votes

Would SpaceX Starship be able to slow down enough to enter orbit or land on Pluto-like objects?

8 votes

JWST - Why unfurl before reaching L2?

7 votes

Would having the Falcon fairing reconnect be possible/beneficial?

7 votes

Why does the Perseverance Rover do sample caching?

6 votes

Does NASA have an end-of-the-world policy?

6 votes

The Mars parachute opened against a black sky on Earth but a blue-magenta sky on Mars during Perseverance landing. How is it possible?

6 votes
Accepted

What happened to DSCOVR, what stopped working?

6 votes

Could a Boring Company Excavation Tool be used to create a large circular chamber inside an asteroid?

6 votes
Accepted

How serious is a contagion in space flight?

6 votes
Accepted

how does the direct fusion drive generate electric power?

6 votes

What does the Moon's gravity feel like? If you don't move, could you still tell you're on the Moon?