” The nice thing about asteroids is that once you’ve found them, and once you have a good solid orbit on them, you can predict a hundred years ahead of time whether there is a likelihood of an impact with Earth. “
” It would take an extremely large spacecraft to deflect a large asteroid that would be headed directly for the Earth. “
” We have the capability – physically, technically – to protect the Earth from asteroid impacts. We are now able to very slightly and subtly reshape the solar system in order to enhance human survival. “
” We’re not passengers on Spaceship Earth. We’re the crew. “
” When you have an asteroid threatening Earth, it’s uncertain where it’s going to hit until the last minute, the decision to take action has to be coordinated by the international community. “
” It is fantastic to think that one day we may be able to access fuel, materials and even water in space instead of digging deeper and deeper into our planet for what we need and then dragging it all up into orbit, against Earth’s gravity. “
” Americans who read the papers or watch Jay Leno have been aware for some time now that there is a slim but real possibility – about 1 in 45,000 – that an 850-foot-long asteroid called Apophis could strike Earth with catastrophic consequences on April 13, 2036. “
” An asteroid can literally destroy 80 or 90 percent of the species that are alive on Earth. These are big events. I mean, this is called extinction. “
” When you look at the origins and evolution of life on Earth, it’s been severely affected by asteroid impacts through history. “
” The frontier in space, embodied in the space colony, is one in which the interactions between humans and their environment is so much more sensitive and interactive and less tolerant of irresponsibility than it is on the whole surface of the Earth. “
” We are going to learn how to relate to the Earth and our own natural environment here by looking seriously at space colony ecologies. “
All 11 Rusty Schweickart Quotes about Earth in picture









Topics: Earth quotes