Hubble Captures Rare Triple-Moon Conjunction

Hubble Captures Rare Triple-Moon Conjunction
Baltimore MD (SPX) Feb 06, 2015 - Firing off a string of action snapshots like a sports photographer at a NASCAR race, NASA's Hubble Space Telescope captured the rare occurrence of three of Jupiter's largest moons racing across the banded face of the gas-giant planet: Europa, Callisto, and Io. These so-called Galilean moons, named after the 17th century scientist Galileo Galilei, who discovered them with a telescope, compl ... more

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