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38 votes
Accepted

Person falling from space

Your question is under-specified (you don't give the size or posture of your subject), so I'm assuming an average-sized woman falling in the classic face-down skydiver posture. I'm also modeling this ...
Mark's user avatar
  • 14.6k
13 votes
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Did Starship Ship 25 burn up on re-entry?

Yes, at least some parts definitely burned up From what we know currently and what was said on the official SpaceX webcast, Starship was around 30 seconds away from SECO when the FTS system was ...
Dragongeek's user avatar
0 votes

What is the largest object/mass that can survive entry into the earth's atmosphere from space without heating to 40 degrees C, or above?

There's an interesting passage in the Smithsonian Scientific Series "Minerals from Earth and Sky - THE STORY OF METEORITES" at page 22: Of all the known iron meteorites, but seventeen were ...
Vorbis's user avatar
  • 101
9 votes

What is the largest object/mass that can survive entry into the earth's atmosphere from space without heating to 40 degrees C, or above?

The largest viruses measure 0.5 μm. Bacterium typically measure up to 2.0 μm but their spores are a bit smaller. Particles of 0.6 – 60 μm radius can remain cold enough to preserve organic matter ...
Woody's user avatar
  • 17.6k
6 votes

What is the largest object/mass that can survive entry into the earth's atmosphere from space without heating to 40 degrees C, or above?

For anything where conventional physics is in play getting from orbital velocity of at least 7 kilometers per second to approximately zero on earths surface involves dissipating 30 kJ of energy per ...
GremlinWranger's user avatar
36 votes

Apollo 13's plutonium RTG re-entry into the Tonga Trench: Good shootin' or good luck?

Good shooting. Chuck Deiterich, lead retrofire officer, was responsible for the impact point. From Henry S. F. Cooper's book Moonwreck aka Thirteen: The Flight That Failed: Deiterich, however, ...
Organic Marble's user avatar

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