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Neutral Hydrogen Asymmetry in the Galaxy M101 as Evidence for Tidal Effects

Abstract

Measurements of the distribution of neutral hydrogen in the galaxy M101 reveal an asymmetry which raises interesting points about tidal effects in galaxies due to nearby companions.

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BEALE, J., DAVIES, R. Neutral Hydrogen Asymmetry in the Galaxy M101 as Evidence for Tidal Effects. Nature 221, 531–533 (1969). https://doi.org/10.1038/221531a0

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