TODAY” reports NASA is asking for the public’s help in both finding asteroids on a collision course with the earth and figuring out ways to stop them. It's being called the “Asteroid Grand Challenge” and is part of a large-scale effort that hopes to bring together other agencies as well as academics and even citizen scientists to encourage innovation in the field. The announcement comes 4 months after an asteroid exploded over Russia in February, which National Geographic called a wake-up call.moreless
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