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  NASA confirms water vapour on Jupiter's moon Europa

  Science | November 20, 2019 15:51 IST

  The study, published in the journal Nature Astronomy, measured the vapour by peering at Europa through W. M. Keck Observatory in Hawaii, US.

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  Mexican volcano Popocatepetl spews large clouds of ash, vapour

  World | July 11, 2013 12:52 IST

  Mexico City, Jul 11: Mexico's erupting Popocatepetl volcano, just east of Mexico City, on Wednesday continued to spew large clouds of ash and vapour into the sky.Local television footage showed large plumes of smoke rising