Exist 2841181 226025060 2008-07-16T14:20:19Z 85.231.140.110 Exist Global promo rm'd; was rm'd 2006-09-13 and re-added 2007-03-12 '''Exist''' may stand for: *[http://exist.gsfc.nasa.gov/ EXIST ] NASA proposed Energetic X-ray Imaging Survey Telescope (EXIST) *[[eXist]], an open source database management system built on XML *to exist, a verb. See [[existence]]. {{disamb}}