A radar system less powerful than a household microwave oven produced some of the best pictures of the moon ever captured.
Using a beam of radar less powerful than a microwave oven, researchers have produced the highest resolution images of the moon ever taken from Earth.
Researchers made the images using the 330-foot-diameter Green Bank Telescope in West Virginia — currently the world’s largest steerable radio telescope , said Patrick Taylor, the radar division head for the Green Bank Observatory and National Radio Astronomy Observatory , during the press briefing. The GBT shot out radio waves that illuminated the moon, and their echoes were captured by a set of four 82 feet wide radio telescopes at the Very Long Baseline Array in Hilo, Hawaii, he added.
Researchers also used the instrument to capture data about an asteroid roughly 0.6 mile across that zipped by our planet at more than five times the distance from Earth to the moon, Taylor said. Because of its size and orbit, the asteroid is characterized as potentially hazardous, but Taylor said that the object poses no risk to Earth at this time.
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