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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
Why is there a two day difference in the sidereal and synodic months?
A) The sidereal day is four minutes shorter than the solar day, and it adds up.
B) The Earth is also revolving around the Sun, so the Moon must "catch up".
C) The Moon speeds up at perigee, and slows down at apogee.
D) The Moslem lunar year is only 354 days long, on average.
E) The Earth is closer to the Sun during the sidereal month.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Wonderful, thanks for your time and effort
Minoring in physics
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#3
8 years ago
Happy to help Slight Smile
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