planet formation

Planets may Start Forming Before the Star is Even Finished

Planets form from the accumulation of countless grains of dust swirling around young stars. New computer simulations have found that…

3 months ago

Primordial Asteroids That Never Suffered Massive Collisions all Seem to be Larger Than 100 km. Why?

The early asteroids had a similar size, and this could be due to turbulence in the early solar system.

5 months ago

It's Starting to Look Like Super-Earths Really are Just Great big Terrestrial Planets

New research shows there is a divide between how gas planets and rocky worlds form.

7 months ago

Spiral-shaped Planetary Disks Should Be More Common. Giant Planets Might Be Disrupting Their Formation

Planetary system formation is a process that involves astounding and complex forces.  Humans have only just started trying to understand…

10 months 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…

1 year ago

This is an Actual Image of a Planet-Forming Disc in a Distant Star System

In 2017, astronomers used ALMA (Atacama Large Millimeter/sub-millimeter Array) to look at the star AB Aurigae. It's a type of…

1 year ago

Astronomers Are Sure These Are Two Newborn Planets Orbiting a Distant Star

Planet formation is a notoriously difficult thing to observe. Nascent planets are ensconced inside dusty wombs that resist our best…

1 year ago

There Could be Planets Orbiting Around Supermassive Black Holes

A team of scientists from Japan have theorized that planetary systems could form around Supermassive Black Holes.

2 years ago

A Red Dwarf Star Has a Jupiter-Like Planet. So Massive it Shouldn’t Exist, and Yet, There It Is

Thanks to the Kepler mission and other efforts to find exoplanets, we've learned a lot about the exoplanet population. We…

2 years ago

Hubble Sees a Huge Dust Cloud Around a Newly Forming Star

The Hubble has detected a massive dust cloud 150 billion miles across around the young star HR 4796A.

4 years ago