General Question

Brian_Ghilliotti's avatar

Is it possible that Mercury was once a satellite of Venus?

Asked by Brian_Ghilliotti (271points) April 19th, 2017 from iPhone

If Mercury was a satellite of Venus, it was presumably pulled out of it’s orbit around Venus by the Sun, establishing equilibrium in a new planetary orbit around the Sun.

Brian Ghilliotti

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12 Answers

Rarebear's avatar

There is no evidence for that hypothesis.

zenvelo's avatar

Sure it’s possible. But doubtful. Given the relative mass of Mercury and Venus, for Mercury to have been a moon of Venus would have put Venus in a very odd orbital pattern.

Patty_Melt's avatar

No, but it is possible Earth has lost something, wayyyyy back.

Patty_Melt's avatar

Actually, Earth has temporary extra moons frequently picked up, then discarded. They wait for us to come back around, then try again.
We have a jealous moon, and she refuses to allow hitchikers to ride along very far.

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ThePigman's avatar

Since Venus is in the Alpha Centauri solar system, it seems unlikely that Mercury would have been pulled to our sun, but rather to the sun in Alpha Centauri. Other than that, it is a feasible enough theory.

Rarebear's avatar

No, Venus is not in the Alpha Centauri solar system.

Dutchess_III's avatar

ROFLOLL!! Alpha Centauri is the star closest to our solar system. It is also a sun. Actually 3 suns.

Dutchess_III's avatar

The sun is our closest star.

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