River of hydrogen flowing through space discovered

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SummaryAstronomers have discovered a never-before-seen river of hydrogen flowing through space into a nearby galaxy around 22 million light-years from Earth.

ribbon of neutral atomic hydrogen in its wake.

If that were the case, however, there should be a small but observable population of stars in the filaments.

Further studies will help to confirm the nature of this observation and could shine light on the possible role that cold flows play in the evolution of galaxies.

The results are published in the Astronomical Journal.

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