
NEO NEWS (27 Oct 2015) Halloween Asteroid, AIDA Mission, Mass Extinctions
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Solar Wind Interactions with Weakly Outgassing Comet
Detailed 3D simulations of a comet’s environment reveal the rich dynamics of ions and electrons observed by the Rosetta spacecraft around comet 67P.
The moon is actually moving away from earth at a rate of 1.5 inches per year.