Nyx stream
Proposed stellar stream
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In astronomy, the Nyx stream is a proposed stellar stream that wraps around the Milky Way galaxy, relatively close to the sun. About 500 stars have been identified in this stream from the Gaia DR2.[1] Elemental abundances of the most likely stellar members are consistent with the stream being a high velocity component of the Milky Way's thick disk, rather than having an extragalactic origin.[2]
