Planetary nebulae like the Crystal Ball Nebula (NGC 1514) are sort of like stellar obituaries. Though crystal balls supposedly reveal the future, the Crystal Ball Nebula tells us more about the past.

The Helix Nebula is one of the most well-known and commonly photographed planetary nebulae because it resembles the “Eye of Sauron.” It is also one of the closest bright nebulae to Earth, located ...

The Pillow Planetary Nebula, also known as NGC 7027 or the Flying Carpet Nebula, is one of the most unusual planetary nebulae visible in the night sky. Located about 3,000 light-years away in the ...

Since the discovery of planetary nebulae in the late 1700s, astronomers have learned that these expanding shells of glowing gas expelled by low-intermediate mass stars late in their lives can come in ...

Out in the cosmic landscape, planetary nebulas would offer the perfect Halloween doors to knock on. They're spooky tricksters in their names, as they have nothing to do with planets at all and are ...

More like "blue is shorter wavelength, red is longer wavelength", same as visible light. And same as gas flames (blue flame is hotter than yellow), or color temperature of light bulbs, etc. Click to ...

Planetary nebulae have nothing to do with planets. They simply appeared kinda like planets in telescopes long ago, their glowing disks suggesting a name that linked them to actual planetary disks. The ...

The Gemini South telescope in Chile captured this stunning view of NGC 6302, highlighting the nebula’s intricate structure and dynamic gas flows. Reading time 2 minutes This newly released image from ...

"One thing popped out as clear as anything, this previously unknown 'bar' of ionized iron atoms, in the middle of the familiar and iconic ring." When you purchase through links on our site, we may ...