Podcast: Discovering Another Earth

By Fraser Cain - May 1, 2007 at 11:45 AM UTC | Exoplanets

What a week! Astronomers announced the discovery of an Earth-sized planet orbiting the nearby star Gliese 581. We talk about the technique used to discover the planet, the possibilities of finding even smaller planets, and what the future holds for finding another Earth.

Click here to download the episode

Discovering Another Earth

Show notes and transcript

Or subscribe to:

astronomycast.com/podcast.xml

with your podcatching software.

Fraser Cain

Fraser Cain is the publisher of Universe Today, founding the website in March 1999. He's also the co-host of Astronomy Cast.