Chapter 3

Chapter 3 - Chapter 3 Eclipses & the Motion of the Moon...

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Chapter 3 Lunar phases: the appearance of the illuminated area of the Moon as seen from Earth New moon: moon is barely visible, light is coming from behind so it looks dark. Since first quarter moon: phase that occurs when the moon is 90 degrees east of the sun waxing gibbous moon: (gibbous = swollen) phase that occurs between first quarter and full moon full moon: phase during which its full daylight hemisphere can be seen from earth third quarter moon: phase that occurs when moon is 90 degrees west of the sun waning crescent moon: phase of the Moon that occurs between third quarter and new moon GOOD PICTURE PAGE 47 Moon always essentially keeps the same hemisphere/face towards Earth. Why is that? since moon rotates we only see one side. Takes as long to rotate on axis as it does to make one orbit around the Earth synchronous rotation: rotation of a body with a period equal to its orbital period. Also
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Chapter 3 - Chapter 3 Eclipses & the Motion of the Moon...

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