Astronomy Picture of the Day

                         Astronomy Picture of the Day

    Discover the cosmos! [1] Each day a different image or photograph of our
 fascinating universe is featured, along with a brief explanation written by a
                           professional astronomer.

                                2018 October 16
                                      [2]
                      Jupiter in Ultraviolet from Hubble
  Image Credit: NASA [3] , ESA [4] , Hubble [5] ; Processing & License [6] :
                               Judy Schmidt [7]

Explanation: Jupiter looks a bit different in ultraviolet light. To better
interpret Jupiter [8] 's cloud motions and to help NASA's robotic Juno [9]
spacecraft understand the planetary context [10]  of the small fields that it
sees, the Hubble Space Telescope [11]  is being directed to regularly image
[12]  the entire Jovian giant. The colors of Jupiter being monitored [13]  go
beyond the normal human visual range to include both ultraviolet [14]  and
infrared [15]  light. Featured [16]  from 2017, Jupiter appears different in
near ultraviolet light, partly because the amount of sunlight reflected back
is distinct, giving differing cloud heights and latitudes discrepant
brightnesses [17] . In the near UV, Jupiter [18] 's poles appear relatively
dark, as does its Great Red Spot [19]  and a smaller (optically) white oval
[20]  to the right. The String of Pearl [21]  storms farther to the right,
however, are brightest in near ultraviolet, and so here appear (false-color)
pink. Jupiter's largest moon Ganymede [22]  appears on the upper left. Juno
[23]  continues on its looping 53-day orbits around Jupiter, while
Earth-orbiting Hubble is now recovering [24]  from the loss of a stabilizing
gyroscope [25] .

                        Tomorrow's picture: star swarm

-------------------------------------------------------------------------------
< [26] | Archive [27] | Submissions [28] | Index [29] | Search [30] | Calendar
  [31] | RSS [32] | Education [33] | About APOD [34] | Discuss [35] | > [36]
-------------------------------------------------------------------------------

    Authors & editors: Robert Nemiroff [37] (MTU [38] ) & Jerry Bonnell [39]
                                  (UMCP [40] )
          NASA Official:  Phillip Newman Specific rights apply [41] .
              NASA Web Privacy Policy and Important Notices [42]
              A service of: ASD [43]  at NASA [44]  / GSFC [45]
                           & Michigan Tech. U. [46]
----------
Site notes:
  [1] archivepix.html
  [2] image/1810/JupiterUV_HubbleSchmidt_1280.jpg
  [3] https://www.nasa.gov/
  [4] http://www.esa.int/
  [5] https://www.nasa.gov/mission_pages/hubble/mai...
  [6] https://creativecommons.org/licenses/by/2.0/
  [7] http://geckzilla.com/
  [8] https://solarsystem.nasa.gov/planets/jupiter/...
  [9] https://www.nasa.gov/mission_pages/juno/main/...
  [10] https://www.youtube.com/watch?v=ZbPwiUldgps
  [11] https://www.nasa.gov/mission_pages/hubble/sto...
  [12] https://archive.stsci.edu/proposal_search.php...
  [13] https://archive.stsci.edu/proposal_search.php...
  [14] https://science.nasa.gov/ems/10_ultravioletwa...
  [15] ap180221.html
  [16] https://www.flickr.com/photos/geckzilla/39448...
  [17]
https://solarsystem.nasa.gov/resources/109/
jupiter-in-blue-ultraviolet-and-near-infrared/
  [18] https://www-b.jpl.nasa.gov/spaceimages/detail...
  [19] ap180425.html
  [20] ap170228.html
  [21] https://astronomynow.com/2017/06/26/jupiters-...
  [22] ap170514.html
  [23] https://www.nasa.gov/mission_pages/juno/main/...
  [24]
https://www.nasa.gov/feature/goddard/2018/
hubble-in-safe-mode-as-gyro-issues-are-diagnosed
  [25] https://www.spacetelescope.org/about/general/...
  [26] ap181015.html
  [27] archivepix.html
  [28] lib/apsubmit2015.html
  [29] lib/aptree.html
  [30] https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apo...
  [31] calendar/allyears.html
  [32] /apod.rss
  [33] lib/edlinks.html
  [34] lib/about_apod.html
  [35] http://asterisk.apod.com/discuss_apod.php?dat...
  [36] ap181017.html
  [37] http://www.phy.mtu.edu/faculty/Nemiroff.html
  [38] http://www.phy.mtu.edu/
  [39] https://antwrp.gsfc.nasa.gov/htmltest/jbonnel...
  [40] http://www.astro.umd.edu/
  [41] lib/about_apod.html#srapply
  [42] https://www.nasa.gov/about/highlights/HP_Priv...
  [43] https://astrophysics.gsfc.nasa.gov/
  [44] https://www.nasa.gov/
  [45] https://www.nasa.gov/centers/goddard/
  [46] http://www.mtu.edu/

--- Mystic BBS v1.12 A39 (Windows/32)
 * Origin: FIDONet - The Positronium Repository (1:393/68)