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NASA's Spitzer Spots a Perfectly Sideways Galaxy
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NASA's Spitzer Spots a Perfectly Sideways Galaxy

Galaxy NGC 5866 lies 44 million light-years from Earth and has a diameter of roughly 60,000 light-years — a little more than half the diameter of our own Milky Way galaxy. From our viewpoint, NGC 5866 is oriented almost exactly edge-on, yielding most of its structural features invisible. Spitzer detects infrared light, and the red color here corresponds to a wavelength typically emitted by dust. The clean edges of the dust emission from NGC 5866 indicate that there is a very flat ring or disk of dust circling the outer region of the galaxy. Spitzer took this image during its "cold" mission, which ended in 2009. The colors represent three infrared wavelengths captured by the Infrared Array Camera instrument. Blue light corresponds to a wavelength of 3.6 microns, produced mainly by stars; green corresponds to 4.5 microns, and red corresponds to 8 microns. https://photojournal.jpl.nasa.gov/catalog/PIA23129

Date
2019-07-31
Photographer / author
NASA/JPL-Caltech
Collection
JPL
Archive
NASA Image and Video Library
Type
photograph

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Reason: a NASA work: not copyrighted in the United States.

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"NASA's Spitzer Spots a Perfectly Sideways Galaxy" (2019-07-31). NASA/JPL/NASA/JPL-Caltech. Public domain. https://images.nasa.gov/details/PIA23129

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