Wednesday, July 1, 2015

Moon Trails

Jupiter With Galilean Moons and Venus

In this conjunction of Jupiter and Venus the four Galilean Moons, Io, Europa, Ganymede and Callisto, can be seen shepherding the gas giant across the sky. If you look closely you can see the apparently slightly wavy paths of the moons. This is due to atmospheric turbulence altering the path of light from the moons as it passes through Earth's atmosphere.

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