Tag Archives: moon

The Earth-Moon Spin-Orbit Resonance

Question:  For being a chunk of Earth’s primordial matter the Moon is quite an amazing stellar feat…it orbits synchronously about the earth with an axis spin velocity 1/100 that of Earth and counterclockwise orbit equal in period as that of … Continue reading

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What Would Happen to the Orbit of the Moon if it Were Twice as Massive?

Question:  If the Moon was twice more massive and if it had the same orbital speed, would its orbit change?  Further from Earth (because of the centrifugal force), or closer to Earth (because of the gravitational force) or the same … Continue reading

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What Happens as the Moon Moves Away from the Earth?

Question(s): The Earth’s moon is moving away from Earth by a few centimeters a year.  Will it break free from Earth’s gravitational influence before our Sun turns into a red giant and fries the inner planets of our solar system? … Continue reading

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