Milky Way May Contain 17 Billion Earth-Size Planets
Using data from NASA's Kepler spacecraft, two independent teams of astronomers have estimated that the Milky Way galaxy contains some 17 billion planets that are similar in size to Earth. What do you think?
Susanne Fox
Okay, I'll check them out as soon as I finally hit every state here in the U.S., but I've still got about 13 to go.
Human Factors Specialist