solar system formation

Don’t Bother Trying to Destroy Rubble Pile Asteroids

The asteroids in our Solar System are survivors. They've withstood billions of years of collisions. The surviving asteroids are divided…

5 days ago

The Outer Solar System Supplied a Surprising Amount of Earth’s Water

In a recent study published in Science, a team of researchers at Imperial College London examined 18 meteorites containing the…

6 days ago

Lucy Adds Another Asteroid to its Flyby List

In October 2021, NASA launched its ambitious Lucy mission. Its targets are asteroids, two in the main belt and eight…

1 week ago

Earth’s Water is 4.5 Billion Years Old

The origin of Earth's water has been an enduring mystery. There are different hypotheses and theories explaining how the water…

2 months ago

The Oort Cloud Could Have More Rock Than Previously Believed

The Oort Cloud is a collection of icy objects in the furthest reaches of the Solar System. It contains the…

2 months ago

Space Diamonds are Even Harder Than Earth Diamonds

In a recent study published in the Proceedings of the National Academy of Sciences, an international team of researchers led…

5 months ago

ESA Gives Green Light on its Comet Interceptor Mission

Comets, with their long, beautiful, bright tails of ice, are some of the most spectacular sightings in the night sky.…

8 months ago

Ceres Probably Formed Farther out in the Solar System and Migrated Inward

When Sicilian astronomer Giuseppe Piazzi spotted Ceres in 1801, he thought it was a planet. Astronomers didn't know about asteroids…

9 months ago

Protoplanetary Disks Throw Out More Material Than Gets Turned Into Planets

When a young solar system gets going it's little more than a young star and a rotating disk of debris.…

1 year ago

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…

2 years ago