NASA, the European Space Agency (ESA) and others have for decades aimed to discover and catalog all the near-Earth asteroids (NEAs) that pose an existential threat.
This Nonprofit Wants to Catapult Material From Incoming Asteroids to Protect Earth gizmodo.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from gizmodo.com.au Daily Mail and Mail on Sunday newspapers.
In February 2013, an asteroid about the size of a house punched its way through Earth’s atmosphere and broke apart over the city of Chelyabinsk, Russia. The blast was so strong, it left a bright streak in the skies and triggered a powerful shockwave, shattering glass and resulting in the injury of over a 1,000 people.