This Is the Milky Way's Magnetic Fingerprint

The swirls, loops and arches in this image may look like a new artwork—but they are in fact the results of the first ever all-sky observations of polarized light emitted by interstellar dust in the Milky Way, and they represent the galaxy's magnetic fingerprint. » 5/06/14 8:00am 5/06/14 8:00am