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📁 日食

Eclipses occur when a planet casts a shadow on a satellite or vice-versa. The term often refers specifically to eclipses of the Sun and Moon, in which case the planet involved is Earth.

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Earth's Endangered

http://www.earthsendangered.com/

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S.O.S. Math - Trigonometry

http://www.sosmath.com/trig/trig.html

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Aesop's Phrases

http://aesopus.web.fc2.com/idiom/Phrase.html

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iCosmos Cosmology Calculator

http://icosmos.co.uk/

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Current Solar Data

http://www.n3kl.org/sun/

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Global Oscillation Network Group (GONG)

http://gong.nso.edu/info/

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The Michelson Doppler Imager

http://soi.stanford.edu/

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The Analemma Project

http://www.steveirvine.com/analemma.html

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Analemma

http://www.analemma.com/

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AAS Solar Physics Division

http://umbra.nascom.nasa.gov/aas_spd/

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Views of the Solar System: Sun

http://www.solarviews.com/eng/sun.htm

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How Stuff Works: Sun

http://www.howstuffworks.com/sun.htm

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The Virtual Sun

http://www.michielb.nl/sun/kaft.htm

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YPOP Tour of the Sun

http://www.lmsal.com/YPOP/Spotlight/Tour/index.html

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Birmingham Solar Oscillations Network

http://bison.ph.bham.ac.uk/

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Stanford Solar Center

http://solar-center.stanford.edu/

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Solar Images from SDAC

http://umbra.nascom.nasa.gov/images/latest.html

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HelioClim Solar Radiation

http://www.helioclim.org/index.html

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Services for Professionals in Solar Energy and Radiation

http://www.soda-is.com/

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Solar Influence Data Center

http://sidc.oma.be/

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