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PearsonArtPhoto
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  • Member for 10 years, 7 months
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108 votes

Can I borrow a lunar rover?

78 votes
Accepted

Shouldn't space junk fall back to Earth on its own? How long will take for a ~1 cm piece of junk in LEO to fall back to Earth on its own for example?

77 votes
Accepted

What is the purpose of having a countdown during a rocket launch?

70 votes
Accepted

Why did the Space Shuttle fly upside-down normally

70 votes

Why Mars instead of a space station?

65 votes
Accepted

Who coined the phrase 'Rapid Unscheduled Disassembly'?

62 votes

Why would GPS availability be reduced by high demand (or solar eclipse)?

59 votes
Accepted

How far could we send someone before they get a lethal dose of radiation?

57 votes
Accepted

Why is there any launch window at all for the Falcon Heavy test flight?

56 votes
Accepted

Have any of the rovers ever recorded a solar eclipse on Mars?

55 votes
Accepted

Was "Apollo" an acronym for "America’s Program for Orbiting Lunar and Landing Operations"?

51 votes
Accepted

Why should the James Webb Space telescope stay in the unstable L2?

51 votes
Accepted

Can gunpowder get you to the moon?

48 votes
Accepted

How realistic is Kerbal Space Program?

48 votes

What is the feasibility of a rocket hobbyist achieving a LEO orbit with a microsat?

47 votes
Accepted

Why does this plot show Starman's speed relative to the Sun fluctuating so often?

46 votes

Why did NASA send two astronauts to the moon instead of one?

45 votes

Which is closer to Mars, Earth or the Moon?

45 votes

What are the most serious injuries that astronauts have suffered while in orbit?

44 votes
Accepted

Has in-space refueling been done?

43 votes
Accepted

Apollo simulator practical jokes

42 votes
Accepted

What resources could be gained from asteroid mining that would be worth the effort?

41 votes
Accepted

Could the Moon keep an atmosphere?

41 votes

Why didn't NASA use the shuttle to make a profit?

41 votes

Will the James Webb Space Telescope be insured against launch failure?

39 votes

Is a SpaceX launch completely automated?

39 votes
Accepted

Does anyone who works at SpaceX know the paths of classified payloads?

39 votes
Accepted

Why did SpaceX retire Falcon 1?

38 votes
Accepted

How was it possible for the Apollo 11 to film and take pictures with such radiation?

38 votes
Accepted

Will Voyager 1 or 2 be able to take photos?

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