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.

                               2022 October 5

         IFRAME: [2]https://www.youtube.com/embed/MC8f6gxqn3s?ref=0

                     Expanding Plume from DART's Impact
   Video Credit: [3]Les Makes Observatory, [4]J. Berthier, F. Vachier, A.
     Klotz, P. Thierry, T. Santana-Ros, [5]ESA [6]NEOCC, D. Föhring, E.
                            Petrescu, M. Micheli

   Explanation: What happens if you crash a spaceship into an asteroid? In
   the case of [7]NASA's [8]DART [9]spaceship and the small asteroid
   [10]Dimorphos, as happened last week, you get [11]quite a plume. The
   goal of the planned impact was [12]planetary protection -- to show that
   the path of an asteroid can be [13]slightly altered, so that, if done
   right, a big space rock will [14]miss the Earth. The high brightness of
   the plume, though, was [15]unexpected by many, and what it means
   remains a topic of research. One possibility is that 170-meter wide
   [16]Dimorphos is primarily a [17]rubble pile asteroid and the collision
   dispersed some of the rubble in the pile. The [18]featured time-lapse
   video covers about 20 minutes and was taken from the [19]Les Makes
   Observatory on [20]France's [21]Reunion [22]Island, off the southeast
   coast of southern Africa. One of [23]many Earth-based observatories
   following the impact, the initial dot is primarily Dimorphos's larger
   companion: asteroid [24]Didymos. Most recently, images show that the
   Didymos - Dimorphos system has [25]developed [26]comet-like tails.

       DART Impact on Dimorphos: [27]Notable images submitted to APOD
                       Tomorrow's picture: open space
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    Authors & editors: [39]Robert Nemiroff ([40]MTU) & [41]Jerry Bonnell
                                 ([42]UMCP)
          NASA Official: Phillip Newman [43]Specific rights apply.
              [44]NASA Web Privacy Policy and Important Notices
                A service of: [45]ASD at [46]NASA / [47]GSFC,
                         [48]NASA Science Activation
                           & [49]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://www.youtube.com/embed/MC8f6gxqn3s?ref=0
   3. https://www.observatoiredesmakes.com/
   4. https://www.iau.org/administration/membership/individual/11908/
   5. https://www.esa.int/
   6. https://neo.ssa.esa.int/
   7. https://www.nasa.gov/
   8. https://dart.jhuapl.edu/Mission/index.php
   9. https://dart.jhuapl.edu/Mission/Impactor-Spacecraft.php
  10. https://en.wikipedia.org/wiki/Dimorphos
  11. https://apod.nasa.gov/apod/ap210424.html
  12. https://sma.nasa.gov/sma-disciplines/planetary-protection
  13. https://apod.nasa.gov/apod/ap130221.html
  14. https://apod.nasa.gov/apod/ap111109.html
  15. https://www.intermountainpet.com/hubfs/Blog_Images/Dogs-tilting-their-heads.jpg
  16. https://apod.nasa.gov/apod/ap220927.html
  17. https://en.wikipedia.org/wiki/Rubble_pile
  18. https://www.esa.int/ESA_Multimedia/Videos/2022/09/DART_asteroid_impact_impresses_in_ESA_s_view_from_the_ground
  19. https://www.observatoiredesmakes.com/
  20. https://en.wikipedia.org/wiki/France
  21. https://apod.nasa.gov/apod/ap120307.html
  22. https://youtu.be/MUEVBSiWWR8
  23. https://dart.jhuapl.edu/Mission/index.php
  24. https://solarsystem.nasa.gov/asteroids-comets-and-meteors/asteroids/didymos/in-depth/
  25. https://fb.watch/fYoM-zzFJY/
  26. https://www.facebook.com/APOD.Sky/photos/a.5083207711783407/5102042659899912/
  27. https://www.facebook.com/media/set/?set=a.5083207711783407&type=3
  28. https://apod.nasa.gov/apod/ap221004.html
  29. https://apod.nasa.gov/apod/archivepix.html
  30. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  31. https://apod.nasa.gov/apod/lib/aptree.html
  32. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  33. https://apod.nasa.gov/apod/calendar/allyears.html
  34. https://apod.nasa.gov/apod.rss
  35. https://apod.nasa.gov/apod/lib/edlinks.html
  36. https://apod.nasa.gov/apod/lib/about_apod.html
  37. http://asterisk.apod.com/discuss_apod.php?date=221005
  38. https://apod.nasa.gov/apod/ap221006.html
  39. http://www.phy.mtu.edu/faculty/Nemiroff.html
  40. http://www.phy.mtu.edu/
  41. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  42. http://www.astro.umd.edu/
  43. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  44. https://www.nasa.gov/about/highlights/HP_Privacy.html
  45. https://astrophysics.gsfc.nasa.gov/
  46. https://www.nasa.gov/
  47. https://www.nasa.gov/centers/goddard/
  48. https://science.nasa.gov/learners
  49. http://www.mtu.edu/