Astronomers Confirm Giant Asteroid ‘Apophis’ Will Not Hit Earth : ScienceAlert
A few years ago, astronomers ruled out the chance of a potentially hazardous asteroid named Apophis redirecting and hitting Earth as it whizzes by.That's a huge relief. But we weren't entirely out of the woods. We've seen, thanks to the Double Asteroid Redirection Test, that it's possible to change the orbital course of an asteroid by smacking it with something.There are a lot of space rocks floating around out there in interplanetary space. What if one of them collided with Apophis? What if it knocked Apophis off its…