At a Planetary Defense Conference in April 2015, a group of aerospace experts was given this fictional scenario to solve: The hypothetical asteroid 2015 PDC, discovered on April 13, 2015, is on a collision course with Earth. Between 500 and 1,300 feet in diameter, the asteroid could crash into Earth as early as September 2022. What do we do?
Although the scenario of an incoming asteroid is completely hypothetical, the conference organizers tried to make it as realistic as possible, including all the unknowns scientists would face, such as the asteroid's size, what it's made of, and where exactly it might hit Earth.
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