Tech Insider
An artist's illustration shows an asteroid causing a large blast as it crashes into Earth
An artist's impression of what an asteroid impact on Earth would look like.

Mark Garlick/Science Photo Library/Getty Images

  • NASA works with a worldwide coalition of astronomers to find and track dangerous asteroids.
  • In the event of an impending hazardous asteroid strike, NASA already has its plan in place to alert the public.
  • Whether it could save Earth from such a disaster is a matter of timing. 

When the Chicxulub impactor, a six-mile-wide asteroid, struck Earth 66 million years ago, the dinosaurs had no warning. 

Tags
Science, asteroid, Apocalypse, planetary-defense, NASA, spacecraft, national-security, astronomy, Space
Source
NASA explains how it would alert the public of an apocalyptic asteroid strike