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APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NGC 2392 Nebula from Hubble
Explanation: In 1787, astronomer William Herschel discovered NGC 2392 . From the ground, NGC 2392 resembles a person's head surrounded by a parka hood. In 2000, the Hubble Space Telescope imaged NGC 2392 . From space, the nebula displays gas clouds so complex they are not fully understood . NGC 2392 is clearly a planetary nebula , and the gas seen above composed the outer layers of a Sun -like star only 10,000 years ago. The inner filaments visible above are being ejected by strong wind of particles from the central star. The outer disk contains unusual light-year long orange filaments. The NGC 2392 Nebula spans about 1/3 of a light year and lies in our Milky Way Galaxy , about 3,000 light years distant, toward the constellation of the Twins ( Gemini ).
| Date | May 3, 2009 |
|---|---|
| Credit | Credit: Andrew Fruchter ( STScI ) et al., WFPC2 , HST , NASA |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |