eclipse

thumb|Totality during the solar eclipse of August 11, 1999, showing the [[solar corona and prominences]] thumb|The lunar umbra on Earth during the solar eclipse of August 21, 2017, as seen from space

AI overview

An eclipse occurs when one celestial body blocks the light from another, such as when the Moon passes in front of the Sun or Earth's shadow falls on the Moon. Eclipses have fascinated people throughout history and provide scientists with valuable opportunities to study celestial phenomena like the Sun's corona and the interactions between Earth, Moon, and Sun.

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Image: The 1919 solar eclipse.jpg

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Commons category: Eclipses
Commons gallery: Eclipse

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~23 min read

Article

18 sections

Contents

Etymology
Umbra, penumbra and antumbra
Eclipse cycles
Earth–Moon system
Solar eclipse
Lunar eclipse
Historical record
Eclipses in mythology and religion
Other planets and dwarf planets
Gas giants
Mars
Pluto
Mercury and Venus
Eclipsing binaries
Types
See also
References
External links

thumb|Totality during the solar eclipse of August 11, 1999, showing the [[solar corona and prominences]] thumb|The lunar umbra on Earth during the solar eclipse of August 21, 2017, as seen from space

An eclipse is an astronomical event which occurs when an astronomical object or spacecraft is temporarily obscured, by passing into the shadow of another body or by having another body pass between it and the viewer. This alignment of three celestial objects is known as a . An eclipse is the result of either an (completely hidden) or a (partially hidden). A "deep eclipse" (or "deep occultation") is when a small astronomical object is behind a bigger one.