When the eclipse peaks, only about 3% of the Moon will still be exposed to the Sun’s light. While a total lunar eclipse is the most dramatic of these, the partial eclipse will still create a striking visual effect when viewed from Earth. A partial lunar eclipse occurs when only a portion of the Moon moves into the darkest part of the Earth’s shadow. A penumbral eclipse occurs when the Earth, Moon, and Sun are imperfectly aligned and the Moon moves into the outermost, diffused part of the Earth’s shadow, creating a subtle darkening of the Moon’s surface. As the name suggests, a total lunar eclipse occurs when the Earth’s shadow completely covers the Moon. There are three types of lunar eclipses: total, penumbral, and partial. What is a partial lunar eclipse?Ī lunar eclipse of any kind occurs when the Earth’s shadow blocks the Sun’s light from reaching the surface of the Moon when it’s in its full phase. An eclipse of this length will not occur again until February 8, 2669, so you don’t want to miss it! Read on to learn more about this eclipse, what makes it special, and how to see it from your backyard. The upcoming partial lunar eclipse on Novemwill last over 3 hours, making it the longest to occur in a span of over 1,000 years.
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