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5 votes
1 answer
282 views

Eyeball planets experiencing "catastrophic" flips

This Youtube video by Anton Petrov shows research1 claiming that tidally-locked planets orbiting the same star in tight orbits may interfere with one another and one planet may cause the other to &...
Christmas Snow's user avatar
2 votes
0 answers
67 views

If a planet orbits an M-Star in an S-type orbit around a G star, what is the minimum distance from the G star that it could remain tidally locked?

I'm wondering how close a planet-M-dwarf system could orbit a G star and have the planet remain tidally locked to the M star. I'm curious, because I'm designing a habitable planet, and I want the ...
Elhammo's user avatar
  • 1,107
5 votes
2 answers
1k views

Will Mercury ever become locked to the Sun?

The Mercury year is between 1 and 2 days. Has it ever been greater, and will it eventually become "tidally locked" with the Sun?
John Canon's user avatar
5 votes
1 answer
413 views

Is a three body gravitating system doomed to collapse?

Suppose we have two gravitating bodies, which are rotating around each other. They are bodies and are affected by deformation caused by tidal forces. Moving tidal waves suck energy from the axial ...
Askold Ilvento's user avatar
3 votes
1 answer
352 views

Tidally locked, and yet spinning?

Reading about Uranus almost 90° tilt, I was wondering if some rocky planet with mass concentration at one pole could possibly spin around its own axis, while still being locked to its star? Which ...
user avatar
5 votes
1 answer
2k views

A "tidally locked" double planet?

First, I'd like to take the definition of a "double-planet" as two bodies orbiting each other where the center of gravity is not inside the larger body. Also, the system would have to fill other ...
Jack R. Woods's user avatar