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Eclipses – Solar and Lunar
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  1. Eclipses – Solar and Lunar http://www.youtube.com/watch?v=AemGLbo8__k Earth Without the Moon (6 minutes)

  2. http://www.youtube.com/watch?v=-09EHBvvAi4 - Short Explanation Solar Eclipses (Eclipse of the Sun) Occur when the moon travels in front of the sun in perfect alignment with the Earth. At the right distance from Earth, the Moon looks to be the same size as the Sun, so when it passes in front of it during its orbit around the Earth, it temporarily blocks the sun’s light from our view on Earth. Umbra: Dark, narrow shadow Penumbra: Lighter, wideder shadow

  3. Solar Eclipses (Eclipse of the Sun)

  4. Solar Eclipses (Eclipse of the Sun) • There are 3 types of solar eclipses: 1) Total Eclipse - Sun, Moon and Earth are alligned. • The Moon completely blocks the Sun; only the outer glow of the Corona can be seen around the dark moon. • Only people in the Umbra shadow or “path of totality” will see a total eclipse • Lasts for a few minutes over a small geographical area.

  5. Solar Eclipses (Eclipse of the Sun) • 2) Partial Eclipse • Only part of the Sun is blocked by the Moon • This view of eclipse is seen in penumbra part of shadow on Earth, which is a larger geographic area. • 3) Annular Eclipse • Occurs when Sun, Moon and Earth are alligned but when the Moon is in its farthest orbit from Earth so it appears smaller and does not completely block the Sun. • Sun will be seen as a bright ring around the Moon.

  6. The Three (3) Types of Solar Eclipses: http://www.youtube.com/watch?v=eOvWioz4PoQSolar Eclipse - India

  7. Lunar Eclipses (Eclipse of the Moon) Occur when the Sun Earth and Moon are in allignment. Since the Moon is usually at a 5° angle to the Earth, this only happens in perfect allignment twice a year.

  8. Lunar Eclipses There are 2 Types of Lunar Eclipses: Total Lunar Eclipse - The Moon can still be seen, but sunlight is refracted through Earth’s atmosphere so the Full Moon appears to be a red, coppery colour.

  9. Lunar Eclipses There are 2 Types of Lunar Eclipses: 2) Partial Lunar Eclipse - This occurs when the moon is only partially within the Earth’s Umbra shadow http://www.youtube.com/watch?v=wuhNZejHeBgLunar Eclipses