Download Phases of the moon and more Schemes and Mind Maps Astronomy in PDF only on Docsity! Phases of the moon
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Why does the moon have phases? •The revolution of the Moon around the Earth causes the Moon to appear to change shape. • The moon does not give off its own light. • Light from the Sun reflects off the surface of the moon. • This creates “moonlight” we see. Why does the moon have phases? •Like Earth, the moon rotates on its axis. Why does the moon have phases? •Even though the moon rotates, the same side of the moon always faces the Earth.
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Day 1 - New moon The far (dark) side of the moon is facing the earth New moon The dark side of the moon is facing the earth Day 4 – Waxing Crescent Wax on: the lighted portion increases as if more light was being added on. Waxing Crescent We begin to see part of the right side of the moon that is lit up Day 7 — First quarter P
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Waxing Gibbous •Gibbous means that more than one half is visible, but it is not quite full. •This phase includes the night after the first quarter to the night before the full moon. Waxing Gibbous The moon is now in a position where we can see most of the side that is lit up Full Moon •The moon is full and bright. It looks like a large circle. •The illuminated side is facing us. •Only happens one night per cycle. Day 18 — Waning a
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Waning Gibbous •The moon appears more than half but not quite full. •Waning means that the illuminated side is decreasing. •The left side is the bright side. Last Quarter or Half Moon •Left Half of the moon is illuminated. •The illuminated side is decreasing. •This phase also only lasts for one night. Last Quarter The moon is in the last quarter of it’s way around the earth Day 24 – Waning Crescent Day 28 - New moon The dark side of the moon is facing the earth again
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