Space: The Roche limit (Édouard Roche, 1849) is the distance a…

Question

Did you know? The Roche limit (Édouard Roche, 1849) is the distance at which a celestial body gets torn apart by tidal forces from a larger object. Saturn's rings lie within the Roche limit — that's why they can't form a moon. Phobos will enter Mars' Roche limit in 50 million years and break apart.

Accepted Answer

The Roche limit (Édouard Roche, 1849) is the distance at which a celestial body gets torn apart by tidal forces from a larger object. Saturn's rings lie within the Roche limit — that's why they can't form a moon. Phobos will enter Mars' Roche limit in 50 million years and break apart.

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