What is M78?
[[File:Messier_78.jpg|thumb|M78]] '''M78''' is a diffuse [[reflection nebula]] in the [[constellation]] of [[Orion (constellation)|Orion]]. It is about 1,600 [[light-year]]s away from [[Earth]]. It is part of the [[Orion complex]]. It was discovered by [[Pierre Méchain]] in 1780 and included by [[Charles Messier]] in his catalog of comet-like objects that same year. [[Category:Nebulae]] {{sci-stub}}