Here's when to spot a lunar halo in the night sky Although many lunar phenomena are one-night-only events, a ring around the moon is much less elusive. Also known as a lunar halo, a bright white ...

These observations prompted Mario Sucerquia, an astrophysicist at France's Grenoble Alpes University, and colleagues to investigate whether moon rings could be stable at all. A 2022 study ...

Astrophysicist Mario Sucerquia’s team simulated ring behavior on various moons, finding that many, including Earth’s moon and Jupiter’s Iapetus, could maintain stable rings for over a ...

If you see a ring around the moon, it’s a good idea to have an umbrella or winter coat handy. And of course it’s never a bad move to keep a close eye on your weather forecast. Weather.com ...