Since then, thousands more have been identified and described in surveys like the Abell Catalog of Planetary Nebulae and the ...

Hubble Telescope image of the Horsehead Nebula. (Credit: T.A.Rector (NOIRLab/NSF/AURA) & Hubble Heritage Team (STScI/AURA/NASA)) ...

Helix Nebula, known as "Eye of God," illustrates a dying star's gas cloud; Hubble captured this stunning planetary nebula image.

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"Planetary nebulae were once thought to be simple, round objects with a single dying star at the center," astronomer Roger Wesson of Cardiff University said in a previous statement. "It begs the ...

The star V830 Orionis shines on the cloud of material left over from its formation, here seen as the NGC 1999 reflection nebula. The Helix Nebula is an example of a planetary nebula. Though it looks ...

The Carina Nebula is a massive star-forming region, home to massive stars, intense radiation, and vibrant cosmic gas clouds.

NGC 6357 is a diffuse nebula near NGC 6334 in the constellation Scorpius. It is located about 5,500 light years from Earth Lensing cluster Abell 370 is a galaxy cluster located nearly 5 billion ...

The blue light comes from electrons whirling at nearly the speed of light around magnetic field lines from the neutron star, which is the crushed, ultra-dense core of the exploded star.