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OUR SOLAR SYSTEM IS LITTERED WITH ASTEROIDS AND COMETS
AND SOMETIMES THEY GET A LITTLE CLOSE TO EARTH
BUT NO NEED TO WORRY
WHEN AN ASTEROID OR COMET COULD COME CLOSE TO OUR PLANET
IT'S KNOWN AS A NEAR-EARTH OBJECT AKA NEO
TO PUT THAT IN PERSPECTIVE OUR MOON IS ONLY 238,900 MILES AWAY
NASA WANTS TO KNOW ABOUT ALL NEAR EARS
BUT WHAT IF ONE OF THESE OBJECTS POSED A THREAT?
WE WANT TO BE PREPARED
The Asteroids That Might Kill Earth
The Chelyabinsk Asteroid in Russia
The Destructive Power of Asteroids
The Tunguska Impact Event
The Chicxulub Impactor
The Impossible Task of Spotting Asteroids
How NASA is Preparing to Deflect Bennu
Delivering an Spaceship to an Asteroid
Can You Use a Nuke to Stop an Asteroid?
Laser Ablation Approaches
Kinetic Impactors and NASA's DART Mission
Mass Drivers for Diverting Asteroids
Yarkovsky Steering of Asteroids
OSIRIS-REx - Our First Line of Defence