Is That Comet We Landed On Singing?

In what was a bit of an unexpected find, Rosetta's Plasma Consortium picked up variations in the magnetic field around the comet, Comet 67P/Churyumov-Gerasimenko. The variations had audible frequencies, and the frequencies ranged from 40-50 millihertz. That frequency range is inaudible to the human ear, so some… » 11/14/14 9:10am 11/14/14 9:10am