ちょうくうどう
超空洞
2. Void (astronomy)In astronomy, voids are the empty spaces between filaments (the largest-scale structures in the Universe), which contain very few, or no, galaxies. They were first discovered in 1978 during a pioneering study by Stephen Gregory and Laird A. Thompson at the Kitt Peak National Observatory. Voids typically have a diameter of 11 to 150 megaparsecs; particularly large voids, defined by the absence of rich superclusters, are sometimes called "supervoids".
Read “Void (astronomy)” on English Wikipedia
Read “超空洞” on Japanese Wikipedia
Read “Void (astronomy)” on DBpedia
Read “Void (astronomy)” on English Wikipedia
Read “超空洞” on Japanese Wikipedia
Read “Void (astronomy)” on DBpedia
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