Paired telescopes give astronomers an up-close view of a passing asteroid.
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Astronomers are getting a chance to view one of the clearest images ever taken of an asteroid as it glides silently past Earth.
Scientists Marina Brozovic and Lance Benner of NASA’s Jet Propulsion Laboratory in Pasadena, Calif., used Earth-based radar to capture clear images of the near-Earth object classified as 2014 HQ124. The 21 radar images, taken over a period of four-and-a-half hours, were captured on June 8, 2014, NASA said in a statement.