New instrument on William Herschel Telescope spots previously unknown strip of ionised iron atoms at the heart of Ring Nebula ...
Planetary nebulae represent a brief, yet illuminating, phase in the evolution of low- to intermediate-mass stars. These glowing shells of ionised gas are shed in the late stages of stellar development ...
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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 ...
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