Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. It’s one of the most common words used by astronomers—and ...
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What Is a Nebula?

Hubble Telescope image of the Horsehead Nebula. Credit: T.A.Rector (NOIRLab/NSF/AURA) & Hubble Heritage Team (STScI/AURA/NASA) Nebulae are all but impossible to spot in the night sky, but you'd never ...
One of your nighttime sky targets for the next month or so should be the Helix Nebula in the constellation Aquarius the Water ...
Several types of nebulae exist, and each individual nebula is a unique showcase of the phenomena and processes happening within. They often live side by side, with smaller nebulae populating larger ...
Nebulae are some of the most beautiful structures to be found in space: vast clouds of dust and gas that are illuminated by light from nearby stars. These regions are often busy sites of star ...
The article details various types of deep-sky objects observable by amateur astronomers, including double stars, variable stars, open and globular star clusters, emission, planetary, and reflection ...
Stellar nurseries are some of the most photogenic regions in the universe. The gas and dust of these nebulas consist of different elements that appear in our telescopes and cameras as a variety of ...
This nebula is called the Trifid Nebula, so named for how the dark band of gas separates it into three parts. But this image of the three-lobed nebula reveals another threesome: the three stages of ...
Mounded, luminous clouds of gas and dust glow in this Hubble image of a Herbig-Haro object known as HH 45. Herbig-Haro objects are a rarely seen type of nebula that occurs when hot gas ejected by a ...
A team of researchers have created the first ever computer generated 3D model of the Cat's Eye Nebula, and it is simply purrrfect. The new image also reveals a pair of symmetric rings that encircle ...