Stellar Evolution
Science
Hubble saw the Same Supernova at Three Different Times Thanks to Gravitational Lensing
As cosmic events go, supernova explosions epitomize the saying, “Live fast, die young, and leave a good-looking corpse. ”...
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Science
It’s Tough to Find Evidence of Stars Eating Planets
Tragically sometimes stars engulf their own planets. While most stars are able to quickly cover up the evidence...
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Science
The Smallest, Lightest Neutron Star Ever Seen Could be a “Strange Star”
The life of every star is a fight against gravity. Stars are so massive they risk collapsing under...
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Science
Hubble Looks at Newly Forming Stars in a Stellar Nursery
When we look at images of star birth regions, they look both placid and active at the same time....
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Science
Two Stars Orbiting Each Other Every 51 Minutes. This Can’t End Well
We don’t have to worry too much about our Sun. It can burn our skin, and it can...
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Science
Binary Stars Live Complicated Lives, Especially Near the End
We know what will happen to our Sun. It’ll follow the same path other stars of its ilk...
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Science
Just 2,000 Years Ago, Betelgeuse Was Yellow, Not Red
Compared to the lifespan of stars, human lives are pretty short. Stars such as Betelgeuse (in Orion) live...
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Science
Astronomers Find the Oldest Planetary Nebula
Planetary nebulae are short-lived “leftovers” of sun-like stars. Most of these “star ghosts” only last—at most—about 25,000 years....
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