Skip to main content
Erik's user avatar
Erik's user avatar
Erik's user avatar
Erik
  • Member for 10 years, 11 months
  • Last seen more than a month ago
2 votes

Is it safe to use a coilgun or railgun as an engine inside the solar system?

1 vote

How can Falcon 9 first stage land vertical in a strong wind?

1 vote

How are current spacecraft tested for their impact durability?

1 vote

What is the range of strength for asteroidal materials?

1 vote

Jurisdiction over crime in space

1 vote

Was the Apollo spacecraft always gravitationally bound to the Earth-Moon system?

1 vote

Is the Oberth effect applicable to any speed change, or only to ejection of reaction mass?

1 vote

Is higher delta-V required to enter polar orbit than equatorial orbit around another planet?

1 vote

Turbo Pumps and NPSH in Space

0 votes

Does any country have real plans for a manned mission to Mars?

0 votes

Why does a spacecraft's attitude become stable when it rotates?

-3 votes

How does a launch vehicle control its trajectory during the first stage?

1 2 3
4