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. Rusty Schweickart aliveasteroidbig Change image and share on social
No government in the world today has explicitly assigned the responsibility for planetary protection to any of its agencies. Rusty Schweickart agencyassignexplicitly Change image and share on social
We're not passengers on Spaceship Earth. We're the crew. Rusty Schweickart crowearthpassenger Change image and share on social
There's no accepted global policy on what to do about asteroid impacts. Rusty Schweickart acceptasteroidglobal Change image and share on social
We are going to learn how to relate to the Earth and our own natural environment here by looking seriously at space colony ecologies. Rusty Schweickart colonyearthecology Change image and share on social
Landing on the moon was a dream that millions of kids have had for hundreds of years. Rusty Schweickart dreamhundredkid Change image and share on social
It would take an extremely large spacecraft to deflect a large asteroid that would be headed directly for the Earth. Rusty Schweickart asteroiddeflectdirectly Change image and share on social
All of us know today the value of communications satellites, weather satellites, resources satellites, etc. Rusty Schweickart communicationresourcesatellite Change image and share on social
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. Rusty Schweickart aheadasteroidearth share on social