Scientists see mysteries in grainy images
(NEWSER) - An asteroid passed closer to the Earth than any before it last night—it was just 201,000 miles away, making it closer than the moon —but to your average telescope it was nothing but a brief glimmer in the sky. NASA, however, has some pretty above-average telescopes, like its 230-foot-wide radio telescope in Barstow, Calif., which bombarded the rock with microwaves, allowing NASA to generate enough detailed images to create the animation below, the Los Angeles Times reports. More»