Earth, Sun, Moon Rotation Flipbook


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  • Emphasizing almost a perfect circle is at least accurate, but it's far better to accentuate the reality that orbits are ellipses. So I would say the moon orbits in an ellipse that is very close to a circle.

    Your other statements are more problematic. You don't really define what you mean by the moon 'going around the earth'. You probably mean the sidereal period, where the moon is, let's say, above the earth in your picture, and it goes around until it is again in the same relationship. I believe that's 27.5 days, but ok. But then you say the earth rotates in 24 hours, which is simply untrue. The earth rotates in 23h56'4.1s, and ON AVERAGE, from noon to noon (a solar day) is 24 hours. That's why I'm being cautious about your lunar statement. If you want the moon to line up with the sun again (ie full moon to full moon, that would be 28.5 days, since by the time the moon goes around once, the earth has moved, so to get in the same position relative to the sun, it's a bit longer, just as a solar day is longer than a rotation of the earth because by the time one rotation has happened, the earth has moved approximately 1/365.2425 of the way around the sun.
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Earth, Sun, Moon Rotation Flipbook

  1. 1. Model of Earth, Moon & Sun’s Orbit moon sun
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  3. 3. moon sun <ul><li>Moon’s Orbit: </li></ul><ul><li>The moon’s orbit is almost a perfect circle. </li></ul>
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  11. 11. moon sun <ul><li>Moon’s Orbit: </li></ul><ul><li>It takes about 27 days (almost 1 month) for the moon to orbit the Earth. </li></ul>
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  19. 19. moon sun <ul><li>Moon’s Orbit: </li></ul><ul><li>The same side of the moon always faces the Earth due to tidal forces. </li></ul>
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  27. 27. moon sun Earth’s Rotation: The Earth makes one complete rotation on it’s axis in 24 hours or 1 day, causing day and night.
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  35. 35. moon sun Earth’s Revolution: The Earth makes one complete revolution around the sun in 365 days or 1 year, causing the seasons.
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  42. 42. moon sun Sun’s Rotation: Did you know that the sun is a ball of gas that also rotates on it’s axis? The gasses rotate once in about 27 days.
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