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Terra Cognita – Updated (Again)

See below for July 2015 update When I first made this graphic, it included two unexplored worlds: Ceres and Pluto, and 2015 seemed impossibly far away. Now here we are, and only one remains. Of course, all these places have

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The Moon, In Depth

For years, scientists exploring the Earth’s moon have benefitted from detailed, three-dimensional views of the lunar landscape. Now, it’s easier than ever for anyone to see those same 3D pictures. The Lunar Reconnaissance Orbiter is a robotic spacecraft that circles

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My Own Corner of Mars

On the 16th of February, at 3:16 pm (local Mars time), a robotic spacecraft orbiting the Red Planet trained its most powerful camera on the surface. It captured an image so detailed that if someone were standing there waving you

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National Poetry Writing Month 2014/15

Updated with new poems from 2015 4104 (for MESSENGER) – April 30, 2015 I don’t know my last orbit’s number But when I trace that final curve I hope I’m like you: Careening headlong into fresh frontiers Radiating A head

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Dancing With Saturn

As I type this, the robotic spacecraft Cassini is traveling at 2.4 kilometers per second (about 5,300 MPH) relative to the planet Saturn. On April 9th, when Cassini makes its closest approach to the planet during this current orbit, the

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