NASA's step by step plan for an asteroid impact. Read more: http://wef.ch/2j5bOCa | World Economic Forum

Asteroids are large rocky bodies that orbit the Sun, primarily found in the asteroid belt between Mars and Jupiter. They range in size from a few meters to hundreds of kilometers in diameter. When a small fragment breaks off from an asteroid or a comet, it becomes a meteoroid. Meteoroids are significantly smaller, usually no larger than a boulder, and they remain in space, often originating from asteroid collisions or comet debris. When a meteoroid enters Earth’s atmosphere, it becomes a meteor,