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The Space Gal: Retrograde Motion

5 minutes 19 seconds

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Still image from: The Space Gal: Retrograde Motion

Retrograde motion is caused by the Earth's own motion around the Sun. As the Earth circles the Sun, perspective changes, and this causes the apparent positions of objects to move from side-to-side in the sky with a one-year period. Part of "The Space Gal" series.

Media Details

Runtime: 5 minutes 19 seconds

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