A Newer, More Accurate Measurement Sets the Mass of the Milky Way at 1.5 Trillion Solar Masses
Astronomers keep trying to measure the mass of the Milky Way and they keep coming up with different numbers. But…
Astronomy Cast Ep. 521: The Deep Space Network
We always focus on the missions, but there's an important glue that holds the whole system together. The Deep Space…
Messier 80 – the NGC 6093 Globular Cluster
Located in the Scorpius constellation, roughly 32,600 light years from Earth, is the globular cluster known as Messier 80.
Massive Photons Could Explain Dark Matter, But Don’t
I’ll be the first to admit that we don’t understand dark matter. We do know for sure that something funny…
Pluto and Charon Don’t Have Enough Small Craters
The New Horizons team just shared new findings about the lack of small craters on Pluto and Charon's surface, which…
It Took 10 Years to Confirm the First Planet Ever Found by Kepler
Even though astronomy people are fond of touting the number of exoplanets found by the Kepler spacecraft, those planets aren't…
Ho-Hum. More Boring Success for SpaceX as Crew Dragon Splashes Down
A few hours ago, the SpaceX Crew Dragon splashed down in the Atlantic Ocean, about 200 miles off the coast…
This is an Actual Photograph of the Shock Waves from Supersonic Jets Interacting with Each Other
After more than 10 years of hard work, NASA has reached another milestone. We're accustomed to NASA reaching milestones, but…
Weekly Space Hangout: Mar 06, 2019 – Dr. Jeff Morgenthaler of the Planetary Science Institute
Hosts: Dr. Morgan Rehnberg (MorganRehnberg.com / @MorganRehnberg & ChartYourWorld.org) Dr. Kimberly Cartier (KimberlyCartier.org / @AstroKimCartier ) Dr. Pamela Gay (astronomycast.com…
You’re in This Picture. It’s a Selfie Taken by SpaceIL’s Beresheet Lunar Lander on its Way to the Moon
Israel's space program doesn't get a lot of headlines. Israel itself is in the news a lot, but usually for…