Phil Plait: How to defend Earth from asteroids

What’s six miles wide and can end civilisation in an instant? An asteroid — and there are lots of them out there. With humour and great visuals, Phil Plait enthrals the TEDx Boulder audience with all the ways asteroids can kill, and what we must do to avoid them.

https://www.ted.com/talks/phil_plait_how_to_defend_earth_from_asteroids/

by Unknown ADAS member

#Asteroid #Link #Video