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Eclipses

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Eclipses An eclipse occurs when the shadow of one celestial body falls on another. A lunar eclipse happens when the Earth comes between the sun and the moon – PowerPoint PPT presentation

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Title: Eclipses


1
Eclipses
  • An eclipse occurs when the shadow of one
    celestial body falls on another.
  • A lunar eclipse happens when the Earth comes
    between the sun and the moon
  • A solar eclipse happens when the moon comes
    between the Earth and the sun, and the shadow of
    the moon falls on part of Earth.

2
Solar Eclipses
  • The moon in the sky appears to be nearly the same
    size as the sun.
  • So during a solar eclipse, the disk of the moon
    almost always covers the disk of the sun.

3
Solar Eclipse
  • This is an image of the suns corona during the
    February 26, 1998 eclipse in the Caribbean.
  • The solar corona is visible only when the entire
    disk of the sun is blocked by the moon.

4
Lunar Eclipses
  • Earths atmosphere acts like a lens and bends
    some of the sunlight into the Earths shadow, and
    the interaction of the sunlight with the
    molecules in the atmosphere filters out the blue
    light.
  • With the blue part of the light removed, most of
    the remaining light that illuminates the moon is
    red.
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