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Solar Eclipse of July 22, 2009
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Solar Eclipse of July 22, 2009



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Solar Eclipse of July 22, 2009 Solar Eclipse of July 22, 2009 Presentation Transcript

  • Q. What is Solar Eclipse?
  • It occurs when the moon passes between the Sun and the Earth.
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  • At least 2 and up to 5 Solar Eclipses can occur each year on Earth.In average, there are about 236.7Solar Eclipses in a century.
  • Q. Why don’t we see all the Solar Eclipse?
  • Q. Do you know the types of Solar Eclipses?
  • - Total Eclipse 日全食- Annular Eclipse日環食- PartialEclipse日偏食- Hybrid Eclipse全環食
  • Total Eclipse 日全食67.2times a centuryAppearance every 18 months on average
  • Total Eclipse will occur at the same time and the same location in about 300 to 450 years.You will hardly see it twice.
  • Annular Eclipse日環食82.2times a century
  • PartialEclipse日偏食82.5times a century
  • Hybrid Eclipse全環食4.8times a century
  • The Phases Observed During a Total Eclipse- First Contact初虧- Second Contact食既- Totality食甚- Third Contact生光
  • First Contact初虧
  • Second Contact食既Starting with Bailey’s Beads(貝里珠)and the Diamond Ring(鑽石環)
  • Totality食甚with Corona(日冕)and Solar Prominences(日珥)
  • Third Contact生光Bailey’s Beads (貝里珠)and Diamond Ring (鑽石環)may appear again.
  • Bailey’s Beads(貝里珠)Solar Prominences (日珥)
  • Diamond Ring (鑽石環)
  • Corona(日冕)
  • Q. What’s the special of Solar eclipse of July 22, 2009?
  • - a Total Eclipse- the longest Total Solar Eclipse of the 21st century (6:39)
  • There are 4 total eclipses over 6 minutes in 21st century. The longest one is on July 22, 2009.2009.07.22 6:392027.08.02 6:272045.08.12 6:102096.05.22 6:11
  • The best observation location is 24°12'36"N 144°06'24"E.日本硫磺島東方近海
  • Total Eclipses of July 22, 2009 in TaiwanWe could see a partial eclipse with a magnitude about 0.85.
  • Total Eclipses of July 22, 2009 in Taipei初虧 at 08:23:18食甚at 09:40:29復圓 at 11:05:03Whole process is about 2hrs and 42mins.
  • Q. How to observe?
  • Block the harmful part of the Sun's radiation- Viewing with Eclipse Glasses
  • - self-made filters: a floppy disk, a Compact Disc, a black color slide film, etc.
  • - The Pinhole Projection Method
  • - Sunglasses isNOT SAFE.
  • - DON’T stare at the Sun directly without any protection.
  • Still Something Special…- the Mercury and Venus-Animals’ Reaction- the Sky and Environment- and…
  • Still Something Special…- the next Total Eclipse in Taiwan will occur on April 11, 2070-thenext Annular Eclipse in Taiwan will occur on March 21, 2012- and…
  • Still Something Special…- Have you ever eat this?
  • Finally…- A video recorded a total eclipse of August 8, 2008 in China.