Page 17 - BBC Focus - August 2017
P. 17

AUGUST 2017






            SP A C E


         JUPITER’S GREAT RED

         SPOT CAPTURED IN

         UNPRECEDENTED DETAIL


                                                                                         THEY DID WHAT?!
          NASA’s Juno probe has delivered the   raging storm 1.3 times as wide as
          goods yet again. This time, with   Earth. It has been under observation
          photos of Jupiter’s iconic Great Red   since 1830 and is believed to have
          Spot that were taken on 10 July.   existed for more than 350 years.
           The stunning images were pieced    Early analysis of data taken by Juno
          together by citizen scientists using   portrays Jupiter as a highly turbulent
          raw data taken from the JunoCam as   world, with a complex interior
          the probe passed just 3,500km above   structure, energetic polar auroras, and
          the planet’s cloud tops – the closest   huge polar cyclones.
          any human-made object has come to   “For hundreds of years scientists
          the storm.                         have been observing, wondering and
           “I have been following the Juno   theorising about Jupiter’s Great Red
          mission since it launched,” said   Spot,” said Juno’s principal
          citizen scientist Jason Major, who   investigator Scott Bolton. “Now we
          produced one of the images. “It is   have the best pictures ever of this
          always exciting to see these new raw   iconic storm. It will take us some time
          images of Jupiter as they arrive. But it   to analyse all the data from not only
          is even more thrilling to take the raw   JunoCam, but Juno’s eight science
          images and turn them into something   instruments, to shed some new light
          that people can appreciate. That is   on the past, present and future of the   ROBOT TAUGHT TO
          what I live for.”                  Great Red Spot.”
           Measuring 16,350km across,         Juno’s next close flyby of Jupiter     COMPOSE MUSIC
          Jupiter’s Great Red Spot is a vast,   will occur on 1 September.
                                                                                     What did they do?
                                                                                     Computer scientists at Georgia Institute of
                                                                                     Technology in the US have taught a robot to
                                                                                     compose its own musical pieces, and then
                                                                                     play them on the marimba – an instrument
                                                                                     similar to a xylophone.

                                                                                     How did they do that?
                                                                                     The robot – nicknamed ‘Shimon’ – was fed
                                                                                     nearly 5,000 complete compositions,
                                                                                     ranging from pop songs to classical pieces,
                                                                                     and over two million smaller fragments
                                                                                     such as riffs, solos and codas. Using deep
                                                                                     learning techniques, its AI system then
                                                                                     analysed the material and devised its own
                                                                                     set of rules for composition. Using these
                                                                                     rules, it then ‘wrote’ and played
                                                                                     recognisably musical creations of its own.
                                                                                     Why did they do that?
                                                                                     Project leader Mason Bretan is interested
                                                                                     in exploring the possibilities of AI and
                                                                  Enhanced colour
                                                                  image of           computer learning in music composition.
                                                                  Jupiter’s Great    Maybe the first robot masterpiece is just
                                                                  Red Spot
                                                                                     around the corner.


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