A few years ago LIGO detected gravitational waves coming from colliding black holes. What else can we learn from gravitational black holes?

A few years ago LIGO detected gravitational waves coming from colliding black holes. What else can we learn from gravitational black holes?
Today’s Travelers in the Night talk about large reservoirs of water in lava tubes on Mars and about asteroids get lost and rediscovered
Gemini Observatory is celebrating its 25th anniversary and here’s the first 25 years of Gemini Observatory & looks ahead to the future
Today’s Observer’s Calendar talk about all the planets you can see, rays and craters on the Moon as well as a few deep sky objects you might see on a winter vacation.
Today’s Big Impact Astronomy talk to Mark Neyrick about the cosmic web of galaxies and matter, and how this large-scale structure mirrors branching structures in nature, like trees and rivers.
Have you ever looked up into the sky and seen bizarre cloud formations that look like waves on the ocean? These are gravity waves.
ebruary 2025 is a phenomenal continuation of January’s planetary-ness! You’ll get chances to see all the planets before going to bed and a conjunction of Mercury & Saturn.nd a brief but intense meteor shower shows up.