Reviews The Life of Super-Earths: How the Hunt for Alien Worlds and Artificial Cells Will Revolutionize Life on Our Planet by Dimitar Sasselov Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News March 23, 2012 at 11:35 am The astronomer who coined the term “super-Earth” reviews the hunt for these possibly life-holding planets. Basic Books, 2012, 240 p., $25.99