Eris-Makemake-artistic-illustration (IMAGE)

Southwest Research Institute

Eris-Makemake-artistic-illustration

Caption

A team co-led by Southwest Research Institute found evidence for hydrothermal or metamorphic activity deep within the icy dwarf planets Eris and Makemake (artistic illustration). Located in the Kuiper Belt, a vast donut-shaped region of icy bodies beyond the orbit of Neptune at the edge of the solar system, Eris and Makemake are comparable in size to Pluto and its moon Charon.

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Southwest Research Institute

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