LOS ANGELES, Jan. 24 (UPI) -- The shadows of three moons orbiting Jupiter were viewable on Friday night.
The event was streamed live on the Griffith Observatory website from California.
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The shadow of Callisto came first, followed by Io and Europa. The event lasted for roughly 25 minutes. This kind of event will not occur again until 2032.
Jupiter is said to have 67 moons, which makes it the planet with the most moons in the Solar System. The four Galilean moons are the most significant, and they were discovered in 1610 by Galileo Galilei. The moons seen Friday are three of the four Galilean moons, which also includes Ganymede.