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Life, Unbounded

The Grand Texture of Planets

color_etopo1_ice_low

              In an idle moment, while staring at a set of solar system data, it occurred to me that it might be interesting to display a set of planetary surfaces on an equal footing, where the overall texture of these worlds was visible (although topography is probably a more [...]

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Life, Unbounded

A Blizzard of Astrobiology

A wet Mars? (Credit: ESO/M. Kornmesser/N. Risinger)

Astrobiology has one key advantage when it comes to tooting its own horn – it can lay claim to a diverse range of scientific research as being relevant to the study of life in the universe. In that spirit (and an optimistic celebration of what might, just possibly, hopefully, be the advent of spring-like conditions [...]

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Life, Unbounded

Dawn Approaches Ceres

Dawn's latest, and best, images of Ceres (NASA)

NASA’s Dawn mission, having performed remarkably at the asteroid Vesta, is homing in on Ceres. The spacecraft’s ion engines will bring it to a capture orbit around this 590 mile diameter dwarf planet on March 6th, 2015 – at a distance some 2.5 times further from the Sun than the Earth. Now at a separation [...]

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Life, Unbounded

Water Erupts Across the Solar System

Europa erupts (Credit: NASA/ESA/K. Retherford/SWRI)

Reading the scientific headlines recently one would be forgiven for thinking that we’re experiencing a bout of interplanetary gastrointestinal distress. First, Saturn’s diminutive moon Enceladus continues to spew what we think are giant sprays of salty water from gnarled creases in its southern icy surface – captured in glorious imagery by the Cassini spacecraft over [...]

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