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The 1,100 foot-long 9943 Apophis will fly by the Earth on April 13, 2029, at just under 20,000 miles above the surface, and will be visible without binoculars or telescopes.Earth is safe from a potential calamity-causing asteroid for the next 100 years, NASA announced on Friday.The announcement clears up fears that had lingered since 2004, when the asteroid 9942 Apophis was identified as one of the most hazardous potential asteroids that could strike the planet. However, this has now been ruled out thanks to a growing understanding of the asteroid and its orbit by astronomers, as well as new radar...

— Elon Musk, CEO of SpaceX and Tesla, tweeted that a "big rock" is going to hit Earth, and that we "currently have no defense." But NASA, seems to disagree. Musk's tweet was a response to another by comedian and podcaster Joe Rogan, who shared an article reporting that NASA has begun preparations for the 1,100-foot-wide asteroid Apophis, which is scheduled to pass by Earth on April 13, 2029. Apophis named after an Egyptian god of death. Musk isn't wrong when he tweeted "Wouldn't worry about this particular one," though. Apophis is going to miss us by 19,000 miles. It's...