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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 1514: The Crystal Ball Nebula
Explanation: What do you see in this crystal ball? The featured image shows NGC 1514 , known as the Crystal Ball Nebula , observed by the Gemini North telescope on Maunakea , in Hawai'i . NGC 1514 is 1,500 light-years away and was discovered by William Herschel in 1790. This planetary nebula is formed when a star becomes a red giant and ejects its outer gas layers. The ejected shell of gas is heated up by the core of the star to temperatures hotter than the surface of our Sun : that makes the gas shine, creating beautiful images like this one. The slightly asymmetrical shape of the Crystal Ball Nebula reveals a secret: the bright star in the center has a companion. As the two stars orbit each other with a period of about nine years , they shape the gas around them. In about 10,000 - 25,000 years the nebula will be dissipated by their stellar winds.
| Date | May 28, 2026 |
|---|---|
| Credit |
Image Credit: International Gemini Observatory / NOIRLab / NSF / AURA ; Image Processing: J. Miller & M. Rodriguez ( International Gemini Observatory / NSF NOIRLab ), T.A. Rector ( University of Alaska Anchorage / NSF NOIRLab ), D. de Martin & M. Zamani ( NSF NOIRLab ) Text: Cecilia Chirenti ( NASA GSFC , UMCP , CRESST II ) |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |