...n overall magnitude of 6.0 and is 4900 light-years from Earth. The Rosette Nebula, over 100 light-years in diameter, has an associated star cluster and posse
...It appears clearly in photographs, but is very elusive in a telescope. The nebula contains several Herbig-Haro objects, which are small irregularly variable
5 KB (765 words) - 00:09, 3 April 2015
NGC 3242 is a planetary nebula of magnitude 7.5, 1400 light-years from Earth. Discovered in 1785 by Willia
...rdinary mortal". It was while battling the Hydra that Hercules crushed the Crab (Cancer) under the sole of his foot. The essence of the verb 'to learn' com
6 KB (931 words) - 23:56, 2 April 2015
...09]] are also found in this constellation. The bright planetary nebula Owl Nebula (M97) can be found along the bottom of the bowl of the Big Dipper.
* [[Messier 97]], also called the Owl Nebula, is a planetary nebula 1,630 light-years from Earth; it has a magnitude of approximately 10. It wa
10 KB (1,667 words) - 20:11, 2 April 2015
...is the supernova remnant [[Messier 1]], more commonly known as the [[Crab Nebula]]. One of the closest regions of active star formation, the Taurus-Auriga c
8 KB (1,334 words) - 23:03, 4 July 2021
