Ross, H. 2001.
Facts for Faith (6):9. CELD ID 5830
|Search for planets draws a blank|
Is the universe really rife with life sites, as Carl Sagan asserted? Research data continues to shape an answer to this question, but the weight of evidence falls, thus far, on the negative side. The ever-optimistic naturalist must work harder and more imaginatively to keep up appearances-and hope.