Enjoying EarthSky? Subscribe.

274,248 subscribers and counting ...

Geometry_of_a_Lunar_Eclipse.svg

Tonight, the full moon stays primarily within the faint penumbral shadow. Only the northernmost part of the moon will touch the southernmost part of the dark umbral shadow. Image credit: Wikimedia Commons

Bruce McClure

MORE ARTICLES

EarthSky Newsletter

Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!

Join now to receive free daily science news delivered straight to your email.