Thursday, December 1, 2022
Home SCIENCE A long-lost rogue planet could explain unexpectedly distant asteroids

A long-lost rogue planet could explain unexpectedly distant asteroids

The outer solar system contains some chunks of ice and rock that orbit so far from the sun that it’s hard to imagine how they got there, but an ancient rogue planet may hold the key.

Space


October 1, 2022

The Kuiper belt is a disk of cold rock and ice in our solar system.

Getty Images/iStockphoto/Ahmad Sarem

A rogue planet twice the size of Earth may have pushed asteroids into the far reaches of the early solar system before it was ejected. This could solve the mystery of how some of the most distant Kuiper belt objects got there, something that most models of solar system formation cannot explain.

The Kuiper Belt is a huge disk of cold rock and ice that extends beyond the orbit of Neptune. …

RELATED ARTICLES

Alzheimer’s drug slows mental decline on trial, but is it a breakthrough?

Some researchers are celebrating this week's announcement that an Alzheimer's drug candidate reduced the rate of cognitive decline in people in a clinical trial...

Firefly Aerospace reaches orbit with new Alpha rocket

VANDENBERG SPACE FORCE BASE, Calif. (AP) — A new aerospace company took to orbit with its second rocket launch and deployed multiple small...

An earthquake may have discovered 30 new dinosaur footprints in Alaska

A powerful 8.2-magnitude earthquake struck southern Alaska in July 2021. Scientists believe the quake may have yielded more than 30 new dinosaur tracks from...

LEAVE A REPLY

Please enter your comment!
Please enter your name here

- Advertisment -

Most Popular

Alzheimer’s drug slows mental decline on trial, but is it a breakthrough?

Some researchers are celebrating this week's announcement that an Alzheimer's drug candidate reduced the rate of cognitive decline in people in a clinical trial...

Firefly Aerospace reaches orbit with new Alpha rocket

VANDENBERG SPACE FORCE BASE, Calif. (AP) — A new aerospace company took to orbit with its second rocket launch and deployed multiple small...

An earthquake may have discovered 30 new dinosaur footprints in Alaska

A powerful 8.2-magnitude earthquake struck southern Alaska in July 2021. Scientists believe the quake may have yielded more than 30 new dinosaur tracks from...

Spatial thinkers get their due | Sciences

An Insider's Guide to Visual Reasoning celebrates those who think in images and patterns.