Galactic Halos of Hydrogen

NASA/JPL-Caltech/Carnegie Observatories/WSRT2005-07-25

NASA
Washington, DC, United States

This image shows two companion galaxies, NGC 4625 top and NGC 4618 bottom, and their surrounding cocoons of cool hydrogen gas purple. The huge set of spiral arms on NGC 4625 blue was discovered by the ultraviolet eyes of NASA GALEX.

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Details

Title: Galactic Halos of Hydrogen
Creator: NASA/JPL-Caltech/Carnegie Observatories/WSRT
Date Created: 2005-07-25
Rights: JPL

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Astronomy