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physical object > natural object > celestial body > collection of stars > collection of galaxies > Great Wall
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Great Wall
subjectfact 
Great Wallhas definition A sheet of galaxies which stretches more than 500 million light-years across the sky.has source: Guth, A.H. 1997 The Inflationary Universe, Addison-Wesley, 2001-09-27 09:31:09.0
is a kind of collection of galaxies2001-09-27 09:31:09.0
collection of galaxieshas number of galaxies2001-09-27 09:31:06.0
collection of starshas number of stars2001-09-27 09:30:53.0
has catalog catalog about star systems2001-09-27 09:30:53.0
celestial bodyhas spectra2001-09-27 09:30:09.0
physical objecthas location or center of gravity2001-09-27 09:27:27.0
has angular momentum2001-09-27 09:27:27.0
has mass2001-09-27 09:27:27.0
has velocity2001-09-27 09:27:27.0
has momentum2001-09-27 09:27:27.0
has temperature2001-09-27 09:27:27.0
has volume2001-09-27 09:27:27.0
has extent2001-09-27 09:27:27.0
has material2001-09-27 09:27:27.0