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BIG ASTEROID FLYBY: Large near-Earth asteroid 4179 Toutatis is flying past Earth this week. At closest approach on Dec. 12th, it will be 7 million km away, or 18 times farther than the Moon. Astronomers are taking advantage of the flyby to learn more about the asteroid’s orbit, shape, and topography. Here are a few shadowy images of the asteroid illuminated by NASA’s Goldstone radar in the Mojave desert:

Read full report and list of nearby asteroids via Space Weather