Inspirational Quotes
Words to motivate, inspire, and guide you.
Planetary Defense Quotes
AstronomyDisaster PreparednessEnvironmental ImpactPlanetary DefenseSpace Hazards If you get asteroids about a kilometer in size, those are large enough and carry enough energy into our system to disrupt transportation, communication, the food chains, and that can be a really bad day on Earth.
AstronomyPlanetary DefenseRisk ManagementSpace Exploration There are thousands of asteroids whose orbit in the Solar System crosses that of Earth. And we have a little acronym for them - NEOs: near Earth objects. And our biggest goal is to try to catalogue them, so we know in advance if one is going to put us at risk.