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Cassini at Saturn

Cassini Gets Higher Look at Saturn's Youth

Now entering its final dramatic high orbits, the Cassini spacecraft is finding unexpected things for an assumed old planet.

Pluto Has Active Geology

Convection apparently forms the polygonal cells in Sputnik Planum, a large active region on Pluto's surface.

First Pluto Papers Published

Planetary scientists have published their first official findings about the 9th planet (or dwarf planet), Pluto.
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