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What can astronomers tell us about the different colors on the surface of Jupiter's moon Europa?

Harold Manuel, Ville Platte, Louisiana
RELATED TOPICS: EUROPA
Europa

We can use the colors of Europa’s surface to tell us about the chemical compounds that make up the surface — and subsurface — of the jovian moon. Even before the first spacecraft made a close visit to Europa, astronomers on Earth used telescopes to study the moon and were able to use a technique called spectroscopy to determine that Europa’s surface is composed mostly of water ice.

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