This image may not be used to state or imply NOAO endorsement of any company or product False-colour optical CCD image of the peculiar spiral galaxy N

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This image may not be used to state or imply NOAO endorsement of any company or product False-colour optical CCD image of the peculiar spiral galaxy NGC 4319 and the quasar Markarian 205 (small circular object, bottom). The quasar appears to be connected to the galaxy by a faint bridge of material. In the 1970s, Markarian 205 was considered \the fulcrum of the redshift controversy\" - the debate about whether quasars were really extremely distant objects receding at enormous velocities relative to Earth. Observ- ations in the early 1980s confirmed that Markarian 205 is indeed very distant, whereas NGC 4319 is an unrelated galaxy in the line of sight."

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Size: 3813px × 4803px
Photo credit: © NOAO/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 205, 4319, astronomy, controversy, cosmology, false-coloured, markarian, ngc, quasar, red, redshift, science, shift