Posted by Emily Lakdawalla on 2012/01/13 12:25 CST
Phobos-Grunt's upcoming demise: what we know and what we don't
Posted by Bruce Betts on 2012/01/13 10:35 CST
We explore space for the noblest goals of science and exploration, and we often persevere in spite of challenges. But space exploration is fraught with bad things happening, or, to use the technical term, ouchies. The Planetary Society's Phobos LIFE biomodule will re-enter the Earth's atmosphere in the next few days with the rest of the Phobos-Grunt mission.
Posted by Emily Lakdawalla on 2012/01/12 04:33 CST
Evaporites form on planetary surfaces when dissolved chemical solids precipitate out of saturated solution as their liquid solvent evaporates and, until recently, were known to exist only on Earth and Mars. This article from the IAG Planetary Geomorphology Working Group describes the third planetary instance of evaporite, discovered on Saturn's moon Titan.
Posted by Emily Lakdawalla on 2012/01/12 03:15 CST
Fraser Cain at Universe Today has organized a weekly Space Hangout that happens at 1800 UTC on Thursdays. This week's conversation focuses on news on exoplanets and dark matter coming out of the American Astronomical Society meeting happening this week in Austin, as well as a Dawn update.
Posted by Emily Lakdawalla on 2012/01/11 12:29 CST
The Google Doodle for January 11, 2012 celebrates Nicholas Steno, one of the founding fathers of modern geology, on the occasion of his 374th birthday. This article describes Steno's set of rules that guide geologists in reading rocks to tell the story of how a place came to be and how the rules are currently used in geology.