Don’t Count “Doomsday Asteroid Apophis” Out Yet – YouTube

Global Rumblings: Don't Count "Doomsday Asteroid Apophis" Out Yet - YouTube | Global Rumblings | Scoop.it
Named after the evil Egyptian serpent god Apophis, lord of chaos and darkness — and recently dubbed the “doomsday asteroid” — it flies past Earth every seven years. This year, its 1,000-foot bulk approached to within 9 million miles. In 2029, it will swoop in close enough to put some of our orbiting satellites in peril — 20,000 miles. In that year, no doubt Apophis will arouse even more attention, because it will be visible in the daytime sky. In 2036, it will probably pass by at a reassuring 14 million miles.

Yet there’s always a possibility we don’t have these measurements exactly right. Something could happen at any point in Apophis’ orbit to modify its course, just a smidgen. A tiny collision with another object, way out beyond Mars? What could change between now and 2029, or during any orbit thereafter?

http://globalrumblings.blogspot.com/2013/02/dont-count-doomsday-asteroid-apophis.html

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