Neptune’s Nebula.

“This jaw-dropping image by Mark Hanson shows the nebula NGC 6888, the result of fierce winds of subatomic particles blown off by the star WR 136, a massive blue monster a quarter million times more luminous than our Sun. The nebula is the result of a previously ejected wind of material being slammed by faster matter ejected more recently.”

From attack ships on fire off the shoulder of Orion to c-beams glittering in the dark near the Tannhauser Gate, Slate’s Phil Plait shows off the winners of this year’s Astronomy Photographs of the Year. All 2500 submissions can be viewed here.