Celestial hemisphere:  Northern  ·  Constellation: Camelopardalis (Cam)  ·  Contains:  NGC 2403
NGC 2403, Robert.S
NGC 2403
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NGC 2403

NGC 2403, Robert.S
NGC 2403
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NGC 2403

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Description

At a distance of 10 million light years, NGC 2403 is an Sc type galaxy, which has open spiral arms and a small nucleus. It is approximately half the mass of our own galaxy.

Edwin Hubble used NGC 2403 as evidence that more distant galaxies move more quickly away from us, now called Hubble’s Law. It was also used to develop the Tully-Fisher relation, which states that there is a relation between a galaxy’s rotational speed and its brightness.

NOTE: See revision D for plate information.

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Revisions

  • NGC 2403, Robert.S
    Original
  • NGC 2403, Robert.S
    B
  • NGC 2403, Robert.S
    C
  • NGC 2403, Robert.S
    D
  • NGC 2403, Robert.S
    E
  • Final
    NGC 2403, Robert.S
    F

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NGC 2403, Robert.S