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The “Rotten Egg” Nebula: A Planetary Nebula in the Making

The "Rotten Egg" Nebula: A Planetary Nebula in the Making
The object shown in these NASA/ESA Hubble Space Telescope images is a remarkable example of a star going through death throes just as it dramatically transforms itself from a normal red giant star into a planetary nebula. This process happens so quickly that such objects are...

This oddly shaped object is an aging, Sun-like star near the end of its life. The Hubble telescope's infrared camera, called the Near Infrared Camera and Multi-Object Spectrometer, captured a fleeting phase in the death march of this star. In these pictures, a red giant star is transformed into a planetary nebula, the glowing remnants of a dying star. The star is shrouded in dust and gas in the center of these pictures. The "wings" of material, called a nebula, are dust and gas cast off by the declining star.

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Last Updated
Mar 20, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

Credits

NASA, ESA, William B. Latter (SIRTF Science Center/California Institute of Technology), John H. Bieging (University of Arizona), Casey Meakin (University of Arizona), A.G.G.M. Tielens (Kapteyn Astronomical Institute), Aditya Dayal (IPAC/NASA Jet Propulsion Laboratory), Joseph L. Hora (Center for Astrophysics), and Douglas M. Kelly (University of Arizona).