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According to new research from our Stratospheric Observatory for Infrared Astronomy (SOFIA), spiral galaxies like the Milky Way are shaped by magnetic fields. These magnetic fields are invisible to the human eye.
However, by combining imagery from our Hubble Space Telescope, the Nuclear Spectroscopic Array and the Sloan Digital Sky Survey, the magnetic fields become apparent. In this image, scientists measured the magnetic fields along the spiral arms of the galaxy called NGC 1068. The fields are shown as streamlines that closely follow the circling arms.
Image Credit: NASA/SOFIA; NASA/JPL-Caltech/Roma Tre Univ.
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