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Hobbes's user avatar
Hobbes's user avatar
Hobbes's user avatar
Hobbes
  • Member for 10 years, 7 months
  • Last seen this week
93 votes
Accepted

Can I drive Elon Musk's Tesla after it's been in space for 100 Years?

92 votes
Accepted

Curiosity: Why did they "reinvent the wheel" instead of using pressure tires?

87 votes

How many times do you have to circle the Earth to break orbit?

87 votes

Nudism in space: Why wear clothes anyway?

74 votes
Accepted

Is Nibiru real or totally science fiction?

71 votes

How did NASA prevent third parties from spoofing Apollo communications?

68 votes
Accepted

How can a Mars helicopter be autonomous if there isn't a Martian GPS?

68 votes

How did Apollo missions solve the cosmic radiation problem?

67 votes
Accepted

Why aren't we sending quadcopters to mars?

66 votes

Why is using a space elevator cheaper than rocket power?

63 votes

Is the SpaceX Falcon Heavy payload (a Tesla car) space junk?

57 votes
Accepted

SpaceX and propulsive landing on Mars -- what just happened? (and why?)

55 votes
Accepted

Falcon 9 design: Why is the cargo fairing so much wider than the lower parts?

55 votes

Why do we not fly to space with helicopters? What are the practical altitude limits?

55 votes
Accepted

Would rocket engine exhaust create pockets of gas in space which could hinder further space exploration?

50 votes

When will New Horizons overtake Voyager 1 in distance from the Sun?

50 votes

instead of pressurizing an entire spacesuit with oxygen could oxygen just pressurize the head and the rest of the body be pressurized with water?

50 votes
Accepted

Why is this part of the Space Shuttle launch pad suspended so high off the ground?

49 votes

Have any space suits (not) used "pulsed magnetic devices"?

48 votes
Accepted

Can artificial satellite positions affect tides?

48 votes
Accepted

Can Curiosity pay InSight a visit?

47 votes
Accepted

Why did NASA set up a computing facility in Bermuda in the Mercury epoch?

47 votes

Why didn't Voyager 1 and Voyager 2 crash on into Jupiter or Uranus when they approached near to these massive planets?

45 votes

Why does the SpaceX Falcon 9 rocket do a 180 flip for reentry?

44 votes
Accepted

How did the Apollo astronauts train for the 1/6G lunar landing?

44 votes
Accepted

What celestial body did NASA carve and why is it eating a spacecraft?

43 votes
Accepted

Why isn't there research to build a standard lunar, or Martian mobility platform?

43 votes
Accepted

Why not use containers to clean up small space debris?

42 votes
Accepted

Why does this rocket have a nose cone "cozy"?

42 votes
Accepted

Why do the Shuttle's external tanks appear to be rusted?

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