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For questions regarding the application of the laws of physics to orbital mechanics, stellar evolution, and other astronomical processes and celestial bodies.

45 votes

Alternate universe where life is more common; is it feasible?

Feasible Can I have a universe with X? Yes you can! If anyone tells you otherwise, tell them their argument fails because they are using the logic of this universe. Your other universe has different l …
Daron's user avatar
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1 vote

How can we prevent the Earth being scorched and swallowed as the Sun grows and eventually en...

Big Engine Futurama had the right idea with "point your exhaust vents upwards". The only way to get the Earth into a wider orbit is to throw something in the opposite direction very hard. The proble …
Daron's user avatar
  • 66.3k