Years ago, before the launch of NASA's Kepler spacecraft, astronomers were thrilled when they discovered a single planet.
Today, the Kepler team announced 715.
MORE: http://science.nasa.gov/science-news/science-at-nasa/2014/26feb_multiplication/
See also...
Water detected in a planet outside our solar system
http://www.sciencedaily.com/releases/2014/02/140225101737.htm
