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With the aid of a diagram, explain why the Moon's orbital distance from the Earth is expanding and the length of the day on Earth is increasing.

With the aid of a diagram, explain why the Moon's orbital distance from the Earth is expanding and the length of the day on Earth is increasing.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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With the aid of a diagram, explain why the Moon's orbital distance from the Earth is expanding and the length of the day on Earth is increasing. Mars spins on its axis once every 23.9 hours. Phobos and Deimos are two satellites of Mars, and they orbit with periods of 7.66 hours and 30.35 hours. Describe how these satellites will evolve on long time scales due to their tidal interactions with Mars. You should note that Mars has a mass MMars internal density of approximately p = = 6.4 x 1023 kg and a radius RMars = 3.4 x 106 m. Phobos and Deimos both have an 2000 kg m-3.
Transcribed Image Text:With the aid of a diagram, explain why the Moon's orbital distance from the Earth is expanding and the length of the day on Earth is increasing. Mars spins on its axis once every 23.9 hours. Phobos and Deimos are two satellites of Mars, and they orbit with periods of 7.66 hours and 30.35 hours. Describe how these satellites will evolve on long time scales due to their tidal interactions with Mars. You should note that Mars has a mass MMars internal density of approximately p = = 6.4 x 1023 kg and a radius RMars = 3.4 x 106 m. Phobos and Deimos both have an 2000 kg m-3.
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