infinite universe

How Do We Know the Universe is Flat? Discovering the Topology of the Universe

Cosmologists tell us that the Universe is flat. It sure feels like 3-dimensions. What does this even mean, and how…

7 years ago

What Are The Biggest Mysteries in Astronomy?

Black Holes? Dark Energy? Dark Matter? Alien Life? What are the biggest mysteries that still exist out there for us…

9 years ago