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 ...

Nebulae are vast clouds of gas and dust, sometimes reaching sizes of light years, marking the creation sites of new stars and marking the deathbeds of old stars.

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

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

The Necklace Nebula, formed by two doomed stars, glows with bright gas clumps like a cosmic diamond ring. Located 15,000 light-years away in the Sagitta constellation, it shines as a stunning ...

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Helix Nebula: This a planetary nebula, which is formed when a star like the Sun runs out of fuel, expands and its outer layers puff off, and then the core of the star shrinks. Orion Nebula ...

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 ...

Wilson Observatory in California, where he would work for the rest of his life. He was researching nebulae, fuzzy patches of light in the sky. In 1924, he announced the discovery of a Cepheid ...