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There's Something Enormous Buried Beneath the East Antarctic Ice Sheet

Every week, we’re bombarded with images of dazzling terrains on Mars and Pluto, but there are still geologic wonders to be discovered right here on Earth. Case in point: a new study suggests there could be a canyon system more than twice as long as the Grand Canyon buried beneath an ice sheet in Antarctica. If…

Charon Poses a Geomorphic Riddle: How do You Make a Mountain in a Moat? 

Hi, Charon! What’s that? You’re jealous that Pluto broke the brains of geophysicists worldwide yesterday, and want attention? Fine, let’s see what you look like up close! Beautiful craters, lovely smooth plains, a few cool linear features... Wait a minute, is that a mountain in a moat? How did you create that?!

It's Open Season on Interpreting the Geology of Pluto and Charon

At less than a million miles from Pluto leading up to closest approach flyby on Tuesday, the New Horizons probe is sending back outright spectacular images of the dwarf planet and its largest moon. Every batch of best-ever images sparks speculation on what geology underlays the features on these distant, rocky worlds.

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