Learning More about Asteroid Detection

The geological record of Earth reminds us that though rare, significant impact events do happen. A number of organizations are working diligently to devise better detection and protection methods against the threat of an asteroid impact. To learn more about current efforts, check out any of these organizations:

Asteroid mitigation strategies
If a potentially hazardous asteroid is coming your way, what can you do about it?

The Center for Near Earth Objects Studies
Find news and data about close approaches of asteroids to Earth.

NASA Planetary Defense Coordination Office - NEOs
This center plays a lead role in coordinating U.S. government monitoring of close approach asteroids and planning a response to an actual impact threat.

JPL SENTRY Collision Monitoring System
SENTRY lists data and information about known objects that have highest potential for a future Earth impact.

Use the SENTRY site above to answer this question: