| http://www.w3.org/ns/prov#value | - On September 5, 2008, ESA's Rosetta spacecraft visited the E-type asteroid 2867 ??teins.[4] Spectral data from the spacecraft confirmed the asteroid was composed mainly of iron-poor minerals such as enstatite (magnesium-rich pyroxene), forsterite (magnesium-rich olivine) and feldspar.
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