Tuesday, December 30, 2008

That's not a moon. It's a space station.

This movie shows Ganymede, Jupiter's largest moon, as it ducks behind the giant planet. Astronomers combined a series of images taken with the Wide Field Planetary Camera 2 aboard NASA's Hubble Space Telescope to make the 18-second movie. The 540 movie frames were created from Hubble images taken over a two-hour period on April 9, 2007.

Credit: NASA, ESA, E. Karkoschka (University of Arizona), and G. Bacon (STScI)
A galaxy of other amazing images can be found at the Hubble site's gallery.

via io9

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