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  • ...m of water ice at the poles. There are few pieces of evidence of orbital [[spectroscopy|spectroscopic]] measurements that show that water vapour is present in the
    4 KB (706 words) - 10:09, 13 January 2017
  • ...hence this formula fails. In such cases experimental methods like x-ray [[spectroscopy]] are used.
    3 KB (462 words) - 09:18, 30 January 2017