Schwern's user avatar
Schwern's user avatar
Schwern's user avatar
Schwern
  • Member for 9 years, 2 months
  • Last seen more than a week ago
40 votes

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

8 votes

JWST - Why unfurl before reaching L2?

3 votes

How would a repair of the JWST proceed if it were ordered regardless of the cost and technical hurdles, depending on when/how it fails?

41 votes
Accepted

Why is the speed of James Webb Space Telescope decreasing?

57 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?

5 votes

If Cassini's final flyby of Saturn's moon Titan is the 127th Titan flyby, why is it called "T-126"?

5 votes
Accepted

Where was the water buildup on Cassini's narrow-angle camera system? Did it have to remain heated continuously?

9 votes

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

2 votes
Accepted

Why do recent launch vehicles like that of Space X and Rocket Lab have far fewer umbilicals than before? What has changed?

6 votes
Accepted

how does the direct fusion drive generate electric power?

3 votes
Accepted

How are the most sensitive seismometers on Mars protected from the most powerful jackhammer on Mars just a few feet away?

2 votes

Why are the rocket plumes on SN10 different colors?

6 votes

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

86 votes

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

6 votes

Is the ESA Roscosmos ExoMars Orbiter capable of detecting the NASA landers and rovers on the surface of Mars?

3 votes

How do spacecraft reach Lagrange points?

2 votes

Has anybody ever picked up the signal transmitted by a successful Mars lander or rover sent by the United States?

17 votes

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

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?

5 votes
Accepted

Did mission control track Perseverance in real time during its landing?

7 votes

Why does the Perseverance Rover do sample caching?

48 votes
Accepted

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

10 votes

Rocket fuel cost to launch 1 kg to orbit

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?

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

41 votes
Accepted

How do US citizens vote in space?

58 votes

Can't astronauts use ball point pens in space?

6 votes

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

5 votes
Accepted

Why is "Terminator Tape" electrically conductive?

3 votes
Accepted

Why exactly didn't they jettinson the boosters direct after burnout at the Starliner launch?