New Hubble Maps of Pluto Show Surface Changes
4 Feb 2010, 20:29 UTC
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New Hubble Maps of Pluto Show Surface ChangesShared via AddThis "The Hubble pictures underscore that Pluto is not simply a ball of ice and rock but a dynamic world that undergoes dramatic atmospheric changes. These are driven by seasonal changes that are as much propelled by the planet's 248-year elliptical orbit as its axial tilt, unlike Earth where the tilt alone drives seasons."
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