The Sciences

Peek-a-movie!

Bad AstronomyBy Phil PlaitDec 19, 2008 3:22 PM

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I was just informed by Twitterer karabaic that the picture of Ganymede going behind Jupiter that I posted yesterday also comes with a very cool animation! Much higher-resolution versions are available on the HST site. The astronomers took a series of images of Ganymede as it orbited Jupiter and made an 18 second/540 frame animation of it. Very cool! That's the advantage of observing bright objects: short exposure times means you can take lots of images, and in this case there is motion, too, so a movie becomes totally cool. Totally awesome. Credit: NASA, ESA, E. Karkoschka (University of Arizona), and G. Bacon (STScI)

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