detailed infrared map ever of our galaxy ... also known as the Omega Nebula or Swan ... [+] Nebula, a stellar nursery located about 5500 light-years away in the constellation Sagittarius.
Messier 42 better known as the Orion Nebula, with the unaided eye from a dark sky site. This stellar relic, first spied by William Herschel in 1787, is nicknamed the Eskimo Nebula (NGC 2392) because, ...
We are staring "right down the barrel of it, which is really quite surprising to me — we're just lucky." One of the most photographed objects in the night sky is the Ring Nebula, wreckage of a ...
Lawrence River' region" - treating the North America Nebula as a map of its namesake - attracted his attention. Morehouse described it as "a ring formed by the absence of stars." A second ...