circumstellar debris disk

By Blocking the Light From a Star, Webb Reveals the Dusty Disk Surrounding It

AU Microscopii is a small red dwarf star about 32 light-years away. It's far too dim for the unaided human…

1 year ago

This is How You Get Moons. An Earth-Sized World Just got Pummeled by Something Huge.

Titanic collisions are the norm in young solar systems. Earth's Moon was the result of one of those collisions when…

2 years ago

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…

3 years ago

Planets Don’t Wait for Their Star to Form First

It looks like we may have to update our theories on how stars and planets form in new solar systems.…

3 years ago

The Strange, Misshapen Orbits of Planet-Forming Disks in a Triple-Star System

Whatever we grow up with, we think of as normal. Our single solitary yellow star seems normal to us, with…

4 years ago

Planets Form in Just a Few Hundred Thousand Years

Astronomers like to observe young planets forming in circumstellar debris disks, the rotating rings of material around young stars. But…

4 years ago

Huge Stars Can Destroy Nearby Planetary Disks

Westerlund 2 is a star cluster about 20,000 light years away. It's young—only about one or two million years old—and…

4 years ago

Study Finds Bizarre Exoplanet Orbits for Binary Stars

There’s an iconic scene in the original Star Wars movie where Luke Skywalker looks out over the desert landscape of…

4 years ago

Astronomers Watched a Star System Die

About 570 light years from Earth lies WD 1145+017, a white dwarf star. In many respects it's a typical white…

4 years ago

Are the Gaps in These Disks Caused by Planets?

Astronomers like observing distant young stars as they form. Stars are born out of a molecular cloud, and once enough…

4 years ago