The 8th-magnitude planetary nebula NGC 2392 in Gemini; an alternative title is the Clown Face Nebula. The nebula has a surrounding fringe, like an Eskimo’s hood, which gives it its name. It is about 3000 l.y. away.
http://hubblesite.org/image/940/news_release/2000-07
- pyrolusite
- pyrolysis
- pyrometasomatic deposit
- pyrometer
- pyrometric cones
- pyrometry
- pyromorphite
- pyrones
- pyrope
- pyrophoric
- pyrophoricity
- pyrophosphoric acid
- pyrophyllite
- pyrosilicate
- pyrosulphuric acid
- pyrotechnic device
- pyroxene
- pyroxene gneiss
- pyroxene hornfels facies
- pyroxenes
- pyroxenite
- pyroxenoid
- Pyrrho of Elis (c.365–275)
- pyrrhotite
- Pyrrhus (318–272 bc)