Dr. Marja Seidel stops by the show to talk about galaxy evolution. She also talks about a unique outreach effort she co-founded, called Cielo y Tierra, that shares science with remote communities.
Dr. Andrew Benson talks about dark matter, the mysterious stuff that makes up most of the mass of the universe. Andrew explains how we can learn about dark matter, even though we don’t yet know what it is.
Dr. Kevin Schlaufman tells us about exoplanets that orbit around their stars in an unusual manner. He also explains what his research says about the Earth’s fate when our sun dies, billions of years from now.