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Life, Unbounded

Have we got Solar System Habitability Backwards?


Enceladus, Europa, Ganymede, Titan, Triton, Pluto, Eris…they may all have, or have had, large oceans of liquid water trapped beneath a frozen crust. That poses some interesting questions. I’ve written before on these pages (and elsewhere) about the wealth of evidence for internal bodies of liquid water in our solar system. Since the Pioneer, and [...]

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Life, Unbounded

Astrobiology Roundup: Planets, Moons, and Stinky Comets


Scientific discoveries across all fields just keep coming and coming. Here’s a small assortment of goodies from the past couple of weeks. How do you form planets around stars in triple systems? You feed them of course. New data from the Atacama Large Millimeter/submillimeter Array (ALMA) telescope in northern Chile has probed the gas and [...]

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Life, Unbounded

Summer Shorts: 101 Geysers Point To Enceladus’ Deep Ocean

3D map of 98 geysers across the southern polar region of Enceladus (Credit: NASA/JPL-Caltech/Space Science Institute)

It’s summer in the northern hemisphere of a small, damp, planet orbiting a middle-aged star in a spiral galaxy of matter enjoying a brief heyday before colliding with another galaxy in some 4 billion orbits of the same small, damp, planet. Time for some brief stories. The NASA/ESA Cassini mission to Saturn first spied plumes [...]

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