Searching for Earth 2.0

23:40 minutes

One in every five sunlike stars in the Milky Way may have an Earth-sized planet circling it in the Goldilocks zone—the sweet spot where liquid water could exist. That’s according to a new analysis of data from the Kepler spacecraft. Sara Seager, an exoplanet hunter at MIT, talks about what’s next in the hunt for Earth 2.0.

Segment Guests

Sara Seager

Sara Seager is professor of planetary science and physics at Massachusetts Institute of Technology in Cambridge, Massachusetts.

Meet the Producer

About Christopher Intagliata

Christopher Intagliata is Science Friday’s senior producer. He once served as a prop in an optical illusion and speaks passable Ira Flatowese.