Explainer: July 4 Lunar Eclipse

The video tutorial explains the occurrence of a penumbral eclipse over the Americas between July 4th and 5th, as reported by NASA. It describes how penumbral eclipses happen when the moon moves through Earth's lesser shadow, the penumbra. The video also covers the visibility of the eclipse, noting that it will be observable in the Americas and partially in Northwest Africa. Additionally, it explains the difference between a penumbral and a full lunar eclipse, where the latter involves the moon entering Earth's umbra, sometimes resulting in a Blood Moon. The next Blood Moon is expected in 2021.

When will the penumbral eclipse occur over the Americas?

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What is a penumbral eclipse?

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What celestial bodies will be visible during the eclipse on July 4th?

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What is the difference between a penumbral eclipse and a total lunar eclipse?

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What phenomenon occurs when the Earth's atmosphere filters out blue light during a lunar eclipse?

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