Author: Rick Smith NASA

The appearance of the Moon during the May 2022 total lunar eclipse. Credit: NASA’s Scientific Visualization StudioOn the night of May 15, 2022, and into the early hours of May 16, skywatchers will be treated to a spectacular phenomenon that takes place every 1.5 years or so: a total lunar eclipse.Total lunar eclipses occur when the Moon and Sun are on opposite sides of Earth and the planet casts a complete shadow, or umbra, over its sole natural satellite. There may be multiple partial lunar eclipses each year, but total eclipses are a bit rarer. Best of all, unlike the…

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