Roche limit
Good Thing We Found this Earth-Sized Planet Now. It’s About to Be Destroyed
Astronomers have confirmed the existence of exoplanets with extremely small orbits around their stars. But what about exoplanets that get…
Dwarf Planet Quaoar has a Ring
Quaoar is one of about 3,000 dwarf planets in our Solar System's Kuiper Belt. Astronomers discovered it in 2002. It's…
How Close Can Moons Orbit?
The Moon is our constant companion, shining away in the night. But how close could the Moon get before it's…
What Would Earth Look Like With Rings?
People have often wondered what Earth would look like if it had Saturn's rings. JPL's Kevin Gill lets them know…
How Could We Destroy the Moon?
What would it take to destroy our moon, and eliminate the enemy of stellar astronomy for all time? In the…
Bumper Car Moonlets Crash and Crumble in Saturn’s F Ring
Nothing stands still. Everything evolves. So why shouldn't Saturn's kookie, clumpy F ring put on a new face from time…
How Did Comet Lovejoy Survive Its Trip Around The Sun?
[/caption] It was just about three months ago that the astronomy world watched in awe as the recently-discovered comet Lovejoy…