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Would a planet's tidal forces really push away a moon out of its Hill Sphere?

While I agree with everything said in the answer by James K, there is an important detail to be added to this story. Numerical analysis by Astakhov et al. (2003) and Domingos et al. (2006) indicated ...
Michael_1812's user avatar
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4 votes

Could a planet or its moon be synchronously tidally locked with the sun, but still in orbit with its moon/planet?

The negative (decelerating) tidal torque of the star is trying to synchronise the planet's rotation with its mean motion $n_p$ about the star. (Rare exceptions are close-in planets with a high ...
Michael_1812's user avatar
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4 votes

What can be learned from viewing the sun on earth during a total eclipse that cannot be studied by spacecraft in orbit?

"is there any way to position a probe so that it constantly experiences totality? Such as in Lagrange point L2 of some planet?" Careful reading of your linked Wikipedia page shows that the ...
Fe2O3's user avatar
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14 votes

What can be learned from viewing the sun on earth during a total eclipse that cannot be studied by spacecraft in orbit?

It is true that many of the things that we used to use eclipses for can now be done from space, continuously. Eclipses are still important because they are usually much more easily accessible than ...
James K's user avatar
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