News tagged with ionizing radiation

A cosmic holiday ornament, Hubble-style

(Phys.org)—'Tis the season for holiday decorating and tree-trimming. Not to be left out, astronomers using NASA's Hubble Space Telescope have photographed a festive-looking nearby planetary nebula called ...

Dec 18, 2012
5 / 5 (4) 1 | with audio podcast