Astronomers Capture Radar Images of Near-Earth Asteroid 1999 JD6

Using NSF’s Green Bank Telescope in West Virginia and NASA’s Deep Space Network antenna at Goldstone, California, astronomers bounced radar signals off a passing asteroid to produce images of the peanut-shaped body as it raced past Earth July 25 at about 45,000 miles per hour. The asteroid, named 1999 JD6, appears to be a contact [...] —> Read More