NASA Finds New Type Of Comet Dust Mineral

NASA researchers and scientists from the United States, Germany and Japan have found a new mineral in material that likely came from a comet. The mineral, a manganese silicide named Brownleeite, was discovered within an interplanetary dust particle, or IDP, that appears to have originated from comet 26P/Grigg-Skjellerup. The comet originally was discovered in 1902 and reappears every 5 years.

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