It’s out there — an
asteroid as big as a battleship whose orbit brings it dangerously close to Earth. At some time in the future — a few thousand years from now or perhaps within your lifetime — it’s destined to collide with our planet. If it strikes land near a large city, millions will perish. A touchdown at sea will produce tsunamis that would devastate coastal cities and communities. What I describe isn’t the fanciful scenario of some sci-fi disaster movie. It’s a fact-based astronomical prediction.
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