Eclipses
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This year features two "central" eclipses of the Sun: an annular in May (visible from western U.S. states) and a total in November that you'll have to travel to Australia or the South Pacific to see.
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A Dawn Eclipse of the Moon
— November 23, 2011
The Moon will become totally eclipsed for much of North America before sunrise on December 10th.
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It will be a busy year for eclipse-watchers in the Eastern Hemisphere, but North Americans will have to wait until mid-December to see the Moon covered by Earth's shadow.
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Lunar eclipses are leisurely affairs — a pleasure to watch and photograph.
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Useful Projects for a Lunar Eclipse
— February 19, 2008
Here's all you need to know to help us measure the size of Earth's shadow on Dec. 10, 2011.
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With a little help, you can see the first hint of the Earth's shadow — the penumbra — on the Moon's surface. Here's what you need to know.
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In Search of Selenelion
— June 26, 2010
Saturday's partial lunar eclipse offered some skygazers the rare chance to see the partly-hidden Moon and the rising Sun at the same time.
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Looking at the Sun is harmful to your eyes at any time, partial eclipse or no. Fortunately, there are many easy ways to watch the show safely.
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Using a safe solar filter, it's easy to photograph a partial solar eclipse.
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A total eclipse of the Sun is a spectacular sight. With a little preparation and advance planning, you can capture your own souvenir portrait of this awe-inspiring sight.
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