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Solar Eclipse PowerPoint Presentation

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s4slide By : s4slide

On : Mar 13, 2016

In : Science & Technology

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Solar Eclipse
Presentation Transcript

  • Slide 1 - Solar Eclipse
  • Slide 2 - WHAT IS SOLAR ECLIPSE? As seen from the Earth, a solar eclipse is a type of eclipse that occurs when the Moon passes between the Sun and Earth. In a total eclipse, the disk of the Sun is fully obscured by the Moon. In partial and annular eclipses, only part of the Sun is obscured. If the Moon were in a perfectly circular orbit, a little closer to the Earth, and in the same orbital plane, there would be total solar eclipses every month. Earth's orbit is called the ecliptic plane as the Moon's orbit must cross this plane in order for an eclipse (both solar as well as lunar) to occur. In some ancient and modern cultures, solar eclipses have been attributed to supernatural causes or regarded as bad omens. A total solar eclipse can be frightening to people who are unaware of itsastronomical explanation, as the Sun seems to disappear during the day and the sky darkens in a matter of minutes.
  • Slide 5 - TYPES OF ECLIPSE Total Solar Eclipse Annular Solar Eclipse Partial Solar Eclipse A total eclipse occurs when the dark silhouette of the Moon completely obscures the intensely bright light of the Sun, allowing the much fainter solar corona to be visible. During any one eclipse, totality occurs at best only in a narrow track on the surface of Earth.
  • Slide 6 - An annular eclipse occurs when the Sun and Moon are exactly in line, but the apparent size of the Moon is smaller than that of the Sun. Hence the Sun appears as a very bright ring, or annulus, surrounding the dark disk of the Moon. A partial eclipse occurs when the Sun and Moon are not exactly in line and the Moon only partially obscures the Sun. This phenomenon can usually be seen from a large part of the Earth outside of the track of an annular or total eclipse. However, some eclipses can only be seen as a partial eclipse, because the umbra passes above the Earth's polar regions and never intersects the Earth's surface. Partial eclipses are virtually unnoticeable, as it takes well over 90% coverage to notice any darkening at all. Even at 99% it would be no darker than civil twilight.
  • Slide 7 - ppt slide no 7 content not found
  • Slide 8 - HOW TO SEE THE SOLAR ECLIPSE? Use film glases.
  • Slide 9 - Some beautiful images of solar eclipse
  • Slide 10 - Thank You

Description : How solar eclipse? Solar eclipse is a type of eclipse that occurs when the Moon passes between the Sun and Earth. Read more about Solar eclipse with our Solar eclipse powerpoint presentation.

Tags : solar eclipse | eclipse | new moon | total solar eclipse | annular solar eclipse | partial solar eclipse | GEOMETRY OF SOLAR ECLIPSE