In the cold dark of the constellation Ophiuchus, a faint, wraithlike shell of gas is quietly advertising the fate that awaits ...
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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 ...
"These images have such incredible detail that we will be scrutinizing them for many years to come." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...
Nebula are giant clouds of interstellar gas that play a key role in the life-cycle of stars. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...