LHC: the world's largest time projection chamber
author: M.Brice/C.Marcelloni/ CERN/Novapix
reference: n-cer04-00001
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Leo 1 dwarf galaxy
author: Anglo-Australian Observatory/David Malin Images/Novapix
reference: a-gax98-00030
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The Prague Astronomical Clock - 15th century
author: S.Aubin/Novapix
reference: a-cad03-00037
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