A lot of the science fiction that I grew up reading was written when we still thought that Venus might be an oceanic planet.

Literally, my earliest memory, my earliest vivid memory, is the Apollo 11 landing on the Moon. Yeah, I was in fourth grade, and I was just so captivated. And I think you'll find a lot of space scientists of my generation will say the same thing. Apollo was a big event for them.

It turns out one of my dad's best friends was Carl Sagan when I was little. They were both Harvard professors.

David Grinspoon Quotes