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ASTR 101 (36)
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Chapter

Tides

1 Page
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Department
Physics, Engineering Physics and Astronomy
Course Code
ASTR 101
Professor
Prof.

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Description
Tides • Tides arise due to the fact that the gravitational force exerted from a body like Earth depends on how far away you are from it  The moon influences the tides as it is close to the Earth, producing a "fat cigar" shape  There are two high tides: the side closest to the moon is stretched into a bulge, whereas the far side is high due to the Earth being pulled towards the moon • The sun also influences the tides however the effect is less despite having a stronger gravitational influence than the moon  This is because the gravity of the sun is so strong that the size of the Earth does not produce enough variance in the tidal influence  When the sun and the moon are in line with the Earth, the effects are amplified, producing even higher tides than spring tides (nothing to do with the season)  When the sun and moon are at 90°
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