What's REALLY under the moondust
Date published: 20th May 2014
Two huge radio telescopes have given scientists a rare look beneath the surface of the moon.
signals beamed from the Arecibo Observatory in Puerto Rico — the
world's largest radio dish, with a diameter of 1,000 feet — penetrated
deep into the moon.
They then bounced back and were detected by the Green Bank Telescope in West Virginia, the planet's biggest, fully steerable radio telescope at 330 feet wide.Researchers use this technique, called bistatic radar, to study many solar system objects, from asteroids to other planets.
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