ringed planets

Evidence that Mars Used to Have a Ring

Mars only has two moons: Phobos and Deimos. They're strange, for moons, little more than lumpy, potato-shaped chunks of rock.…

4 years ago

Is the “Alien Megastructure” around Tabby’s Star Actually a Ringed Gas Giant?

A new study from the University of Antioquia suggests that the mysterious behavior of Tabby's Star could be due to…

7 years ago

Which Planets Have Rings?

Planetary rings are an interesting phenomena. The mere mention of these two words tends to conjure up images of Saturn,…

10 years ago

Surprise! Asteroid Hosts A Two-Ring Circus Above Its Surface

Rings are a tough phenomenon to spot. As late as 1977, astronomers thought that the only thing in the solar…

11 years ago

Forget Exomoons. Let’s talk Exo<em>rings</em>

[/caption] In an article earlier this month, I discussed the potential for discovering moons orbiting extrasolar planets. I'd used an…

13 years ago