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Eclipses

Eclipses. Eclipses of Sun and Moon are the result of an alignment of Earth, Sun, Moon. Solar Eclipse. When Moon is in between Sun and Earth, blocking Sun’s light and casting a shadow over parts of Earth Daytime New Moon. Copy in your notes:. Sun. FYI – (don’t copy).

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Eclipses

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  1. Eclipses

  2. Eclipses of Sun and Moon are the result of an alignment of Earth, Sun, Moon

  3. Solar Eclipse • When Moon is in between Sun and Earth, blocking Sun’s light and casting a shadow over parts of Earth • Daytime • New Moon

  4. Copy in your notes: Sun

  5. FYI – (don’t copy) • The next two total solar eclipses visible from the U.S.A. occur on Aug. 21, 2017 and Apr. 8, 2024 • In any given location on Earth, a total eclipse happens only once every 360 years. • In any one calendar year, the maximum number of eclipses is four solar and three lunar. • The maximum time for a total solar eclipse is 7 minutes and 40 seconds.

  6. FYI – (don’t copy) • Solar eclipses are visible in a narrow path a maximum of 167 miles wide

  7. Lunar Eclipse • When Earth is in between Sun and Moon, blocking Sun’s light so that Earth’s shadow hits Moon casting a shadow over Moon. • Night time • Full moon

  8. Upcoming lunar eclipses visible from the U.S.A. include Jun. 26, 2010 (partial), Dec. 21, 2010 (total), Jun. 04, 2012 (partial), Apr. 15, 2014 (total) and Oct. 08, 2014 (total).

  9. Copy in your notes:

  10. FYI – (don’t copy) • A Solar eclipse always occurs two weeks before or after a lunar eclipse. • Eclipses very often occur in threes, alternating lunar, solar and lunar. • The maximum time a lunar eclipse can last is 3 hours and 40 minutes. • Lunar eclipses are visible over an entire hemisphere. • The cycle of eclipses repeats every 18.6 years called the saros.

  11. FYI – (don’t copy) • Next lunar eclipse = Dec. 21, 2010 • The last time a lunar eclipse occurred on Dec. 21 was in 1991 and the next one is in 2094.

  12. FYI – (don’t copy) • The last total lunar eclipse visible from the entire continental United States occurred on February 21, 2008. North Americans will have their next opportunity to see a total lunar eclipse on October 08, 2014.

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