1 lunar and solar eclipses
TRANSCRIPT
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LunarAnd Solar Eclipses
http://solarsystem.nasa.gov/multimedia/gallery/Earth_Moon.jpg
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Preliminary TopicsFacts about moon:
• The Moon orbits the Earth
• The Moon doesn’t shine on its own; it reflects sunlight
• The other name of moon is lunar
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Eclipses
• The Sun and Moon occasionally line up so that we have an eclipse.
• Eclipse means when one object hide another.
• its very dangerous to look at the sun in case of eclipse, why???
because the harmful radiation can damage eye tissues and led to blindness.
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4When the Earth’s shadow covers the Moon, we have a lunar eclipse
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5Images from Fred Espenakhttp://www.mreclipse.com/LEphoto/LEgallery1/LEgallery1.html
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Solar Eclipses• When the Moon’s shadow covers part of the
Earth
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Photo of a Total Eclipse
http://sunearthday.nasa.gov/2006/multimedia/gal_008.php
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Photos of an partial Eclipse
http://sunearthday.nasa.gov/2006/multimedia/gal_010.php; photos taken by Fred Espenak
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Tides
• The Moon’s gravity acts on the Earth. – It pulls the most on the part of Earth closest, which
raises the atmosphere and the oceans
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Tides and the Moon