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Night sky during the Lunar Eclipse November 19, 2021

Name: Night sky during the Lunar Eclipse November 19, 2021
Uploaded: 2021-11-12 16:07:30 UTC
Description: During the eclipse, the Moon moves through the western part of the constellation Taurus. The Pleiades star cluster is in the upper right, and the Hyades cluster, including the bright star Aldebaran, eye of the bull, is in the lower left.

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During the eclipse, the Moon moves through the western part of the constellation Taurus. The Pleiades star cluster is in the upper right, and the Hyades cluster, including the bright star Aldebaran, eye of the bull, is in the lower left.

Earth and the Moon are locked in an orbital dance, and gravity is the choreographer. Here's how it works.

Tidal Locking

Between four and seven times a year, Earth, Moon and Sun line up just right to create the cosmic-scale shadow show known as an eclipse.

Composite of lunar eclipse phases over night sky

Eclipses

Like Earth, the Moon has a day side and a night side, which change as the Moon rotates.

Moon Phases