The Helix Nebula is an example of a planetary nebula. Though it looks like a bubble or eye from Earth's point of view, the Helix is actually a trillion-mile-long tunnel of glowing gases. In its center ...

An international team of astronomers led by Stefan Kimeswenger from the Department of Astro and Particle Physics, together ...

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When you buy through links on our articles, Future and its syndication partners may earn a commission. The open star cluster NGC 460 is located within a greater collection of nebulae and star clusters ...

M57, also known as the Ring Nebula, is a planetary nebula—the glowing remnant of a sun-like star. At its center lies a tiny white dot, the star’s hot core, known as a white dwarf.

He chose to investigate the nebulae, which were believed to be clouds of glowing gas. But with this new, larger telescope, Hubble was able to resolve images of the nebulae that showed individual ...