giovedì 17 aprile 2014

NYT Science: Scientists Find an Earth Twin or Maybe a Cousin

Scientists Find an ‘Earth Twin,’ or Maybe a Cousin
By KENNETH CHANG

A planet known as Kepler 186f, 500 light-years away, is the closet match to our own yet discovered, astronomers say.

Published: April 18, 2014 at 4:00AM

via NYT Science http://ift.tt/QhnyQm