Astronomy Picture of the Day

   [1]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.

                               2021 October 15
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                     NGC 289: Swirl in the Southern Sky
                 Image Credit & [3]Copyright: [4]Mike Selby

   Explanation: About 70 million light-years distant, gorgeous spiral
   galaxy NGC 289 is larger than our [5]own Milky Way. Seen nearly
   face-on, its bright core and colorful central disk give way to
   remarkably faint, bluish spiral arms. [6]The extensive arms sweep well
   over 100 thousand light-years from the galaxy's center. At the lower
   right in this sharp, [7]telescopic galaxy portrait the main spiral arm
   seems to [8]encounter a small, fuzzy elliptical companion galaxy
   interacting with enormous NGC 289. Of course spiky stars are in the
   foreground of the scene. They lie within the Milky Way toward the
   southern constellation [9]Sculptor.

                     Tomorrow's picture: Pixel in Space
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    Authors & editors: [21]Robert Nemiroff ([22]MTU) & [23]Jerry Bonnell
                                 ([24]UMCP)
          NASA Official: Phillip Newman [25]Specific rights apply.
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                           & [30]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2110/NGC289Selby.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. https://www.facebook.com/masterdarksastro/
   5. https://www.nasa.gov/mission_pages/sunearth/news/gallery/galaxy-location.html
   6. http://adsabs.harvard.edu/abs/1997AJ....113.1591W
   7. https://www.astrobin.com/vxnxde/
   8. https://apod.nasa.gov/apod/ap160210.html
   9. https://en.wikipedia.org/wiki/Sculptor_(constellation)
  10. https://apod.nasa.gov/apod/ap211014.html
  11. https://apod.nasa.gov/apod/archivepix.html
  12. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  13. https://apod.nasa.gov/apod/lib/aptree.html
  14. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  15. https://apod.nasa.gov/apod/calendar/allyears.html
  16. https://apod.nasa.gov/apod.rss
  17. https://apod.nasa.gov/apod/lib/edlinks.html
  18. https://apod.nasa.gov/apod/lib/about_apod.html
  19. http://asterisk.apod.com/discuss_apod.php?date=211015
  20. https://apod.nasa.gov/apod/ap211016.html
  21. http://www.phy.mtu.edu/faculty/Nemiroff.html
  22. http://www.phy.mtu.edu/
  23. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  24. http://www.astro.umd.edu/
  25. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  26. https://www.nasa.gov/about/highlights/HP_Privacy.html
  27. https://astrophysics.gsfc.nasa.gov/
  28. https://www.nasa.gov/
  29. https://www.nasa.gov/centers/goddard/
  30. http://www.mtu.edu/