Tag: ngc3021

• A cosmological measuring tape by europeanspaceagency

  2015-03-30

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  This NASA/ESA Hubble Space Telescope image shows the spiral galaxy NGC 3021 which lies about 100 million light-years away in the constellation of Leo Minor (The Little Lion). Among many other types of stars, this galaxy contains Cepheid variable stars, which can be used work out the distance to the…

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  + uncategorized

  + art, Flickr, Galaxy, hubble, hubblespacetelescope, IFTTT, ngc3021, photos, Science, Space, Star, supernova

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