The mass is five times bigger than Hawaii's Big Island and extends over 180 miles beneath the moon's surface.
Scientists have discovered a huge, mysterious mass of material beneath a large crater on the Moon. The mass is five times bigger than Hawaii's Big Island and is located hundreds of miles beneath the lunar surface.
When the team combined the GRAIL data with topographic information taken from the Lunar Reconnaissance Orbiter, they discovered the huge, anomalously dense mass. The researchers do not know what the mass is, but it appears to extend down beneath the moon's surface by over 180 miles. "Imagine taking a pile of metal five times larger than the Big Island of Hawaii and burying it underground. That's roughly how much unexpected mass we detected," James said in a statement.NASA/Goddard Space Flight Center/University of Arizona
Another source of the unexpected mass, researchers say, could be a concentration of oxides that could have formed when the magma ocean that existed on the moon solidified.
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