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Planetary Science

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Dawn spacecraft over Ceres

HOW LOW CAN YOU GO?  The Dawn spacecraft (illustrated) has been orbiting Ceres since 2015 and will soon swoop lower over the dwarf planet’s surface than ever before, thanks to an extension of its mission announced October 19.

Enceladus

SPACE SPEW  The same process that forces water out of flushed toilets on the space shuttle also applies to the gushing vents on Saturn’s moon Enceladus (shown).

Haumea's ring illustrated

RING AROUND THE DWARF PLANET  Haumea’s ring, shown in this artist’s illustration, revealed itself by momentarily blocking the light of a distant star.

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