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explains what to look for during a solar eclipse, how to create a pinhole projector (for safely viewing an eclipse), why eclipses happen, a world map of future eclipses, and archives of webcasts of past eclipses in Greece (2004), the U.S. (2002), and more. (Exploratorium, National Aeronautics and Space Administration)
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For a few minutes during a total solar eclipse, when the disk of the moon slides precisely between our planet and the sun, we'll glimpse a sight seldom seen: the sun's hot, churning atmosphere, called the corona. During an eclipse, we'll have a better view of the lower corona than even space telescopes can provide. |
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Upcoming solar eclipses |
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