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NASA Astronomy Picture of the Day (September 28, 2012)

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  • mahtezcatpoc
    http://apod.nasa.gov/apod/ap120928.html Bright star Markab anchors this dusty skyscape. At the top right corner of the frame, Markab itself marks a corner of
    Message 1 of 139 , Oct 1, 2012
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      http://apod.nasa.gov/apod/ap120928.html


      "Bright star Markab anchors this dusty skyscape. At the top right corner of the frame, Markab itself marks a corner of an asterism known as the Great Square, found within the boundaries of the constellation Pegasus, the flying horse. The wide and deep telescopic view rides along for some 5 degrees or about 10 times the angular diameter of the Full Moon, with blue reflection nebulae scattered around the scene. And even though this line-of-sight looks away from the plane of our Milky Way galaxy, it covers a region known to be filled with nearby molecular clouds. The associated dust clouds, high latitude galactic cirrus, are less than 1,000 light-years distant. Still apparent, but far beyond the Milky Way, are background galaxies, like the prominent edge-on spiral NGC 7497 near picture center."


      Mark A. Holmes
    • mahtezcatpoc
      http://apod.nasa.gov/apod/ap121206.html The bright globular cluster 47 Tucanae (aka NGC 104). Mark A. Holmes
      Message 139 of 139 , Dec 14, 2012
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        http://apod.nasa.gov/apod/ap121206.html

        The bright globular cluster 47 Tucanae (aka NGC 104).


        Mark A. Holmes
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