A Glowing Butterfly in the Stars
A telescope in the Southern Hemisphere has snapped a breathtaking photo of a cosmic butterfly. This isn't your typical butterfly, though. It's a nebula, a cloud of gas and dust in space. The Butterfly Nebula, as it's called, is way out there, about 2, 500 to 3, 800 light-years away in the constellation Scorpius. To put that into perspective, one light-year is a whopp...