I think Pluto has to be considered among the places in the solar system that are possible homes for life. — David Grinspoon Copy Share Image
“Okay. I've got one. Do you think Pluto should still be considered an actual planet in its own right?" "Much better. And yes, I do. I had to memorize the planets when I was in third grade, and it was… — Claire LaZebnik Copy Share Image
