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"Frozen Water Confirmed on Mars". 2008-08-24 रोजी पाहिले. "NASA Mars Mission declared dead". 2008-11-10 रोजी पाहिले. "NASA's Mars Odyssey Shifting Orbit for...

dead link] http://www.fcbarcelona.cat/web/english/क्लब/क्लब_avui/informacio_corporativa/barca_enxifres/barca_enxifres.html[permanent dead link]...

can have enriched the terrestrial planets (Mercury, Venus, the Earth and Mars) with water, carbon dioxide, methane, ammonia, nitrogen and other volatiles...