And everywhere girls, tumbling from trees like orange blossoms and hitting the earth with sickening thuds. They crack open. — Lauren DeStefano Copy Share Image
Here on Earth, we're exposed to asteroids hitting the Earth, eventual changes in the Sun, changes in the Earth's climate, things we're doing to the Earth's climate. If we want to survive, we need to become a multi-planet species. That's… — John M. Grunsfeld Copy Share Image
