Coast to Coast AM -
Live Nightly 1am-5am EST / 10pm-2am PST
FAST BLAST » 

articles

17 Billion Earth-Size Planets

17 Billion Earth-Size Planets

According to a new study, our galaxy hosts at least 17 billion Earth-size planets. This is based on astronomers' calculation that 17% of stars in the Milky Way have a planet similar to the size of Earth in their orbit. Pictured is an artist's illustration showing the variety of planets that have been detected by the Kepler spacecraft. More here.

most popular

coast mobile

iPhone / Android Users:
Our website is now optimized for small screen devices. Enjoy a better Coast experience with the browser of your mobile device.
Mobile Apps:
Our iPhone and Android apps are also available.

calendar

Check out our calendar for George Noory's public appearances in 2014.

e-newsletter

Sign up for our free CoastZone e-newsletter to receive exclusive daily articles.

twitter