Planetary Formation

A new way to Discover Planets? Astronomers Detect an Exoplanet by Seeing its Trojan Belts

Astronomers demonstrate that you don't have to see a planet to discover it. You only need to see its Lagrange…

3 weeks ago

Hot Stars Blast Away at gas Giants Until Only Their Rocky Cores Remain

We don't see many Neptune-sized worlds closely orbiting their star. That may be because the star robs them of their…

2 months ago

How Do Hot Jupiters Get So Close to Their Stars?

In this age of exoplanet discovery, we've discovered thousands of exoplanets of different types. The hot Jupiter is one of…

4 months ago

Digging Through Kepler Data Turns Up a Near Twin of Jupiter

NASA's Kepler planet-hunting spacecraft was deactivated in November 2018, about ten years after it launched. The mission detected over 5,000…

6 months ago

Hubble Has Been Watching This Planet Form for 13 Years

Hubble's most remarkable feature might be its longevity. The Hubble has been operating for almost 32 years and has fed…

6 months 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…

8 months ago

Rings in the Early Solar System Kept our Planet From Becoming a Super-Earth

A team led by Rice University has created a new model of planetary formation that answer how the Solar System…

9 months ago

Even Really Massive Stars Seem to Have Planets

Can planets form around massive, hot stars? Some astronomers think they can't. According to the evidence, planets around stars exceeding…

10 months ago

The Early Solar System Had a Gap Where the Asteroid Belt is Today

Wind the cosmic clock back a few billion years and our Solar System looked much different than it does today.…

12 months ago

The Early Solar System was Messier and More Violent Than Previously Believed

Our conventional models of planet formation may have to be updated, according to a pair of new papers. Accretion is…

1 year ago