Kepler space telescope
1 articles-
The Fun-House Mirror Earths
It’s been just over two decades since astronomers announced the first discoveries of exoplanets—planets orbiting stars other than the sun—and their progress in the intervening years has been so routinely remarkable its recitation now seems mundane: There are now thousands of cataloged exoplanets, and hundreds of billions more probably await discovery in the Milky Way […]