16 Psyche

Author(s): DaveBowman2001 EarthMoon SpaceExplorer

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16 Psyche is the largest known M-type asteroid ever discovered, measuring 222 km in diameter. Located in the main asteroid belt, this metallic object is theorized to be an exposed core of a protoplanet. It will be studied up close by the NASA mission of the same name starting August 2029

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