Looking for Earth-like Alien Planets? Focus on the Blue Ones

Astronomers hunting for Earth-like alien worlds could improve their odds by zeroing in on planets that look blue from afar, just like Earth, a new study suggests.

URL: http://feedproxy.google.com/~r/spaceheadlines/~3/bsb_eFu6Ras/alien-planets-earth-colors-101116.html