stellar evolution
A New Study Says That Betelgeuse Won’t Be Exploding Any Time Soon
I have stood under Orion The Hunter on clear evenings willing its star Betelgeuse to explode. “C'mon, blow up!” In…
Why do Planetary Nebulae Look the Way They Do?
Planetary nebulae are the most beautiful objects in the night sky. Their gossamer shells of gas are otherworldly and evocative.…
The Youngest Stellar Disk Ever Seen, Just 500,000 Years Old
Unless you’re reading this in an aircraft or the International Space Station, then you’re currently residing on the surface of…
New Hubble Photos of Planetary Nebulae
Planetary nebulae are astronomy's gateway drug. Their eye-catching forms make us wonder what process created them, and what else is…
Two White Dwarfs Merged Together Into a Single “Ultramassive” White Dwarf
Astronomers have found a white dwarf that was once two white dwarfs. The pair of stars merged into one about…
Both Stars in This Binary System Have Accretion Disks Around Them
Stars exhibit all sorts of behaviors as they evolve. Small red dwarfs smolder for billions or even trillions of years.…
SOFIA Follows the Sulfur for Clues on Stellar Evolution
A high-flying space telescope is shedding light on where some of the basic building blocks for life may have originated…
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What Does It Mean To Be ‘Star Stuff’?
At one time or another, all science enthusiasts have heard the late Carl Sagan's infamous words: "We are made of…
Radio Telescopes Resolve Pleiades Distance Debate
Fall will soon be at our doorstep. But before the leaves change colors and the smell of pumpkin fills our…
Deep Astrophoto of LDN 673: The Place Where Stars are Born
What a stunning view of this dark region of space! This image, by astrophotographer Callum Hayton shows LDN 673, a…