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How do we know if an asteroid headed our way is dangerous?In our solar system there are millions of space rocks known as asteroids. Ranging in size from a few metres to hundreds of kilometres, these objects are mostly left over from the formation of our planets 4.6 billion years ago. They are building blocks that didn’t quite make it into fully fledged worlds.
Asteroid Apophis Will Not Hit Earth for 100+ Years, NASA Says
near-earth asteroid flight patterns give new lease on life
By Jonny Lupsha, Current Events Writer
A near-Earth asteroid won’t strike for at least another 100 years. Earlier predictions claimed an impact was due in 2029, 2036, and 2068, but NASA now says we have more time left. However, we do have observational and defensive measures in mind.
Scientists use the Torino scale to combine the size, or energy, of an asteroid with the probability of it hitting Earth and then assign it a number that qualifies the level of immediate danger. (Image:Shutterstock/Dotted Yeti)
NASA s Going To Crash A Probe Into An Asteroid For Good Reason 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.
NASA planning to punch dangerous asteroids away from Earth in bizarre scheme
From Deep Impact to Armageddon, the idea of a wayward asteroid heading towards us is a familiar one and NASA has devised an appropriately cinematic solution to the risk
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