        APOD: 2017 October 1 - Concept Plane: Supersonic Green Machine

                         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.

                                2017 October 1
                                      [2]
                   Concept Plane: Supersonic Green Machine
            Illustration Credit: NASA [3] , Lockheed Martin Co. [4]

Explanation: What will passenger airplanes be like in the future? To help
brainstorm desirable and workable attributes, NASA sponsors design
competitions [5] . Shown here [6]  is an artist's depiction of a concept plane
that was suggested in 2010. This futuristic plane would be expected to achieve
supersonic speeds [7] , possibly surpassing the speeds [8]  of the supersonic
transport [9]  planes that ran commercially in the late twentieth century [10]
. In terms of noise reduction, the future aircraft has been drawn featuring an
inverted V wing [11]  stretched over its engines. The structure is intended to
reduce the sound [12] from annoying sonic booms. Additionally, future
airplanes [13]  would aim to have relatively little impact on our environment
[14] , including green [15]  limits on pollution and fuel consumption.
Aircraft utilizing similar design concepts [16] might well become operational
by the 2030s.

                      Tomorrow's picture: star ring [17]

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    Authors & editors: Robert Nemiroff [29] (MTU [30] ) & Jerry Bonnell [31]
                                  (UMCP [32] )
          NASA Official:  Phillip Newman Specific rights apply [33] .
              NASA Web Privacy Policy and Important Notices [34]
              A service of: ASD [35]  at NASA [36]  / GSFC [37]
                           & Michigan Tech. U. [38]
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Site notes:
  [1] archivepix.html
  [2] image/1710/greenmachine_nasa_4800.jpg
  [3] https://www.nasa.gov/
  [4] http://www.lockheedmartin.com/
  [5] https://www.nasa.gov/aeroresearch/resources/design-competitions
  [6] http://www.nasa.gov/multimedia/imagegallery/image_feature_1698.html
  [7] ap070819.html
  [8] http://www.youtube.com/watch?v=QX04ySm4TTk
  [9] http://en.wikipedia.org/wiki/Supersonic_transport
  [10] http://en.wikipedia.org/wiki/Twentieth_century
  [11] http://www.springerlink.com/content/q2u1414284747r2p/
  [12]
https://www.bloomberg.com/news/articles/2017-07-24/
nasa-has-a-way-to-cut-your-flight-time-in-half
  [13] https://www.nasa.gov/content/new-ideas-for-greener-aircraft
  [14] https://assets3.thrillist.com/v1/image/2499821/size/tmg-article_tall.jpg
  [15] https://www.nasa.gov/centers/ames/greenspace/nasas-role.html
  [16] https://www.nasa.gov/subject/7565/future-aircraft/
  [17] ap171002.html
  [18] ap170930.html
  [19] archivepix.html
  [20] lib/apsubmit2015.html
  [21] lib/aptree.html
  [22] https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  [23] calendar/allyears.html
  [24] /apod.rss
  [25] lib/edlinks.html
  [26] lib/about_apod.html
  [27] http://asterisk.apod.com/discuss_apod.php?date=171001
  [28] ap171002.html
  [29] http://www.phy.mtu.edu/faculty/Nemiroff.html
  [30] http://www.phy.mtu.edu/
  [31] https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  [32] http://www.astro.umd.edu/
  [33] lib/about_apod.html#srapply
  [34] https://www.nasa.gov/about/highlights/HP_Privacy.html
  [35] https://astrophysics.gsfc.nasa.gov/
  [36] https://www.nasa.gov/
  [37] https://www.nasa.gov/centers/goddard/
  [38] http://www.mtu.edu/
