Spiral galaxy NGC 2841, Hubble Space Telescope (HST) image. This galaxy lies around 46 million light years from Earth in the constellation Ursa Major.

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Spiral galaxy NGC 2841, Hubble Space Telescope (HST) image. This galaxy lies around 46 million light years from Earth in the constellation Ursa Major. NGC 2841 has a weakly active nucleus known as as a low ionisation nuclear emission-line region (LINER). LINERs are characterised by spectral emission lines from weakly ionised or neutral atoms.

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Photo credit: © NASA/ESA/STScI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: 2841, astronomical, astronomy, astrophysical, astrophysics, emission-line, flocculent, galactic, galaxy, hst, hubble, ionisation, irac, liner, major, ngc, nuclear, region, space, spiral, star, stars, telescope, ursa