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geoffc
  • Member for 10 years, 9 months
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94 votes
Accepted

Is Starman in the Tesla Roadster a real human?

92 votes

What did the Soviet Union and Russia bring to the ISS?

85 votes
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Why is SpaceX considering Methane as fuel for their next engine, the Raptor?

75 votes
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Why does the ISS have to be destroyed?

67 votes

Why did the Chinese send flies and plants to the far side of the moon?

62 votes
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Why did the Tesla Roadster spend time in the Van Allen belt?

50 votes
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Why does the interior of the ISS appear so disorganized?

49 votes

Difference between BlueOrigin and SpaceX rocket landings?

49 votes
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What is SpaceX doing differently with Starship to avoid it exploding like the N1?

48 votes
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Why are rocket engines operating above 100% often considered nominal?

47 votes

Why do SpaceX Starships look so "homemade"?

45 votes

Is Crew Dragon flawed? Is it just an improvisation with no future?

44 votes
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Why does the ISS have so much pressurized but uninhabitable space?

43 votes
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Why does the Falcon 9 have 9 engines?

43 votes
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Why are only 2 out of the 3 boosters on Falcon Heavy reused?

42 votes
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How are the SpaceX Falcon 9 Mod 3 and Mod 4 grid fins different?

40 votes
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What is the primary reason for SpaceX motion to have astronauts board Dragon before fueling up the rocket?

39 votes
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Why won't SpaceX launch a rocket for a month?

38 votes

Why did it take so long for methane to be used as a rocket propellant?

37 votes
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What is a thrust puck on Starship?

35 votes
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So with Soyuz being retired, what gets people up to the ISS and back down now?

35 votes
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Why is it preferable for SpaceX to land their booster vertically rather than fly it down with wings?

34 votes
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Why decommission the ISS?

34 votes

How can the reusable Falcon 9 succeed when the reusable Space Shuttle failed?

34 votes
Accepted

Why does the CRS-8 Falcon 9 rocket appear to be swaying before launch?

33 votes
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What work needs to be done before reusing Falcon 9?

33 votes
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What holds SpaceX’s rocket in place in this launch?

33 votes

Why doesn't the US use European rocket engines?

33 votes
Accepted

Why is the Delta IV Heavy taller than the Delta IV Medium?

33 votes

Why is the SpaceX crew-1 mission more important than the previous one (demo-1)?

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