Portal:Astronomy/Picture/55
Appearance
Medusa Nebula is a planetary nebula in the constellation of Gemini. It is also known as Abell 21 and Sharpless 2-274. It was originally discovered in 1955 by University of California, Los Angeles astronomer George O. Abell. Image of Medusa nebula from 24 inch telescope on Mt. Lemmon, AZ.