Radar images uncover remarkable features below the surface of the moon

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The photo at left reveals previously hidden features of the moon around an area known as Mare Serenitatis, or the Sea of Serenity, which is near the Apollo 17 landing site. Thanks to the combined efforts of the two largest radio telescopes of their kind, the National Radio Astronomy Observatory’s Green Bank Telescope and the Arecibo Observatory were able to “see” approximately 33-50 feet below the lunar surface. The light and dark features are the result of compositional changes in the lunar dust and differences in the abundance of rocks buried within the soil.

Image credit: Bruce Campbell (Smithsonian Institution, National Air and Space Museum); Arecibo/NAIC; NRAO/AUI/NSF

from Science360 News Service: Picture of the Day http://ift.tt/1mLKYJL
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