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Physics
Mark Foskey's user avatar
Mark Foskey's user avatar
Mark Foskey's user avatar
Mark Foskey
  • Member for 10 years, 8 months
  • Last seen this week
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Top posts

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70
Why can't the Earth's core melt the whole planet?
Mar 7, 2021
38
Can a satellite or a planet orbit a planet/star without rotating around its own axis?
Sep 4
26
What is an electromagnetic wave exactly?
Nov 20, 2023
25
Why aren't we bumping into objects outside of the visible range?
Dec 9, 2024
18
What really allows airplanes to fly?
Apr 14, 2015
18
How do black holes move if they are just regions in spacetime?
May 27, 2024
17
Why didn't Earth bounce upon collision during the formation of moon?
Apr 18
17
Which specific law of physics is broken by the "double jump"?
Jan 10, 2019
14
Why are there only four fundamental interactions of nature?
May 24, 2018
14
How does kinetic energy work in braking a vehicle?
Oct 18, 2019

Top network posts

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75
Why were the Voyager spacecraft numbered "out-of-order"?
57
"On the grounds that" suggests the reason isn’t really a good one
55
Apollo: what was the big deal?
53
Does Virgin Galactic experience real weightlessness?
50
Why do we need to make probes land on other planets or moons?