Friday, November 22, 2024

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Stellar Evolution

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. ”...

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...

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...

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....

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...

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...

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...

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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