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News for Norther Colorado and the world

Saturday, November 29, 2014

Posts Tagged ‘molten rock’

Astronomy Picture of the Day

Astronomy Picture of the Day

    Io in True Color Credit: Galileo Project, JPL, NASA Explanation: The strangest moon in the Solar System is bright yellow. This picture, an attempt to show how Io would appear in the "true colors" perceptible to the average human eye, was taken in 1999 July by the Galileo spacecraft that orbited Jupiter from 1995 to 2003. Io's colors derive from sulfur and molten silicate rock. The unusual surface of Io is kept very young by its system of active volcanoes. The ... Full Story

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