We’re back from our summer semi-break and geared up for a full new season of Walkabout the Galaxy. Over the summer we didn’t just soak up the Sun, though. Check out these episodes if you…
Category: Astrophysics
Dark matter is hiding everywhere. Not only that, but there’s a mysterious source of apparently gravitational acceleration throughout the universe and in all galaxies. Except this one tiny little galaxy that’s one of the topics…
This episode explores new ways to look at things, revealing the earliest stars to form in the universe, and a new, detailed map of the space around the supermassive black hole at the center of…
In an interesting piece of detective work, scientists reasoned that the oldest stars in the Milky Way formed in the same environment as the galaxy’s dark matter. Information on the study from Princeton is here.…
One of the largest asteroids, 4 Vesta, has a unique spectrum that matches some meteorites that is a clue that those meteorites are actually chunks knocked off of Vesta at some point. Analysis of the…