100+ killer asteroids hiding in plain sight have been found

A former NASA astronaut wants to protect Earth from killer asteroids and has developed a software tool to help defend from doom.

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Ted Lu ,Asteroid Institute ,International Astronomical Union Minor Planet Center ,Tracklet Less Heliocentric Orbit Recovery ,Asteroid Institute Executive Director ,International Astronomical Union ,Minor Planet Center ,Asteroids ,Meteor ,Earth ,Space ,Space Rock ,Author ,Solar System ,Nasa ,Google ,