The key moments in the November 18/19 2021 lunar eclipse. But a lunar eclipse is when the Earth blocks the Sun as seen from the Moon, so it's all good to watch. It's a solar eclipse that can be dangerous to view, when the Moon blocks the Sun. I get this question a lot, so right off the bat: It's perfectly safe to observe a lunar eclipse with your naked eye, with binoculars (which I strongly recommend), or even a telescope. That should look pretty cool, so it's worth taking a look. About 97% of the Moon will be in Earth's deep shadow, so even at maximum eclipse a little tiny bit near its south pole will still be lit by the Sun. It'll actually be the longest partial lunar eclipse in the century.īut more importantly this is almost but not quite a total eclipse very very close but not exactly. For one, the Moon will be near apogee, the farthest point in its elliptical orbit around the Earth, so it will appear slightly smaller than average and also be moving more slowly, so the eclipse lasts a bit longer than usual. These are always fun, but this one is unusual in a number of ways. This one strongly favors viewers in North America, but will be visible in part from Central and South America and eastern Asia. Starting Thursday night/Friday morning, the sky will put on a show: A lunar eclipse, when the Moon passes into and out of Earth's shadow.
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