Subj : Daily APOD Report
To   : All
From : Alan Ianson
Date : Sun Jan 15 2023 00:19:40

                        Astronomy Picture of the Day

    Discover the cosmos! Each day a different image or photograph of our
      fascinating universe is featured, along with a brief explanation
                    written by a professional astronomer.

                               2023 January 15
     A messy array of colorful filaments is shown in front of a field of
      stars. Please see the explanation for more detailed information.

                       M1: The Crab Nebula from Hubble
          Image Credit: NASA, ESA, Hubble, J. Hester, A. Loll (ASU)

   Explanation: This is the mess that is left when a star explodes. The
   Crab Nebula, the result of a supernova seen in 1054 AD, is filled with
   mysterious filaments. The filaments are not only tremendously complex,
   but appear to have less mass than expelled in the original supernova
   and a higher speed than expected from a free explosion. The featured
   image, taken by the Hubble Space Telescope, is presented in three
   colors chosen for scientific interest. The Crab Nebula spans about 10
   light-years. In the nebula's very center lies a pulsar: a neutron star
   as massive as the Sun but with only the size of a small town. The Crab
   Pulsar rotates about 30 times each second.

   Discovery + Outreach: Graduate student research position open for APOD
                     Tomorrow's picture: Moon, enhanced
     __________________________________________________________________

       Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
            NASA Official: Phillip Newman Specific rights apply.
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                      A service of: ASD at NASA / GSFC,
                           NASA Science Activation
                             & Michigan Tech. U.

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