planetary migration

What Did The Solar System Look Like Before All The Planets Migrated?

Early planetary migration in the solar system has been long established, and there are myriad theories that have been put…

2 months ago

Do Hot Jupiters Form Close in, or Do They Migrate? A Newly-Discovered Planet Might Help Answer This

The recent discovery of a very young gas giant could offer clues about how "Hot Jupiters" form and whether or…

9 months ago

Maybe the Elusive Planet 9 Doesn’t Exist After All

Oh Planet Nine, when will you stop toying with us? Whether you call it Planet Nine, Planet X, the Perturber,…

11 months ago

‘Nomad’ Planets Could Outnumber Stars 100,000 to 1

[/caption] Could the number of wandering planets in our galaxy – planets not orbiting a sun -- be more than…

9 years ago

Astronomy Without A Telescope – The Nice Way To Build A Solar System

When considering how the solar system formed, there are a number of problems with the idea of planets just blobbing…

11 years ago