How big is space? Who helped discover this? 🌌 Join us as we talk to astronomer Karen Masters. She introduces us to Henrietta Leavitt, a “computer” before computers who helped scientists rethink the size of our universe. ⭐ Learn more about how Karen uses Henrietta's work in our bonus interview episode, available on Patreon ! 🎧 Listen to the Episode 🔎About The Featured Expert Dr. Karen Masters is a professor of astronomy and physics at Haverford College. She researches gala

EDUCATION RESOURCES: NGSS Standards: ESS 5-ESS1-1 Dark Energy. The name sounds like something out of science fiction, and so does the description: A mysterious force that's pulling the universe apart. It was discovered in 1998 by two separate teams of astronomers who were competing to solve a simpler problem. They wanted to know the rate at which gravity is slowing down the universe's expansion. But what they found surprised everyone. The universe's expansion is not slowing d