protoplanetary disks

A Planet has Whipped Up Spiral Arms Around a Young Star

Astronomers have observed dozens of newly forming stars surrounded by protoplanetary disks. Some look like grooved vinyl records, while others…

9 months ago

TESS Shows That Even Small Stars Can Host Giant Planets

Can low-mass stars play host to giant, Jupiter-sized planets? Theories of planet formation suggest that it's highly unlikely. But a…

1 year ago

Machine Learning is a Powerful Tool When Searching for Exoplanets

A new machine learning technique will help astronomers detect young exoplanets in disks surrounding other stars.

1 year ago

Astronomers Spot Three Interacting Systems with Twin Discs

Using the SPHERE instrument on the ESO's Very Large Telescope, a team of astronomers observed how interaction between disks affects…

1 year ago

We’ve Now Seen Planet-Forming Disks Around Hundreds of Young Stars. What Do They Tell Us?

Is our Solar System comparable to other solar systems? What do other systems look like? We know from exoplanet studies…

2 years ago

A Second Generation of Planets can Form Around a Dying Star

When young stars coalesce out of a cloud of molecular hydrogen, a disk of leftover material called a protoplanetary disk…

2 years ago

Astronomers See Carbon-Rich Nebulae Where Planets are Forming

Understanding the birth of a planet is a challenging puzzle. We know that planets form inside clouds of gas and…

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

More Pictures of Planet-Forming Disks Around Young Stars

Astronomy is advancing to the point where we can see planets forming around young stars. This was an unthinkable development…

4 years ago

Habitability of Planets Will Depend on Their Interiors

A lot of the headlines and discussion around the habitability of exoplanets is focused on their proximity to their star…

5 years ago