火星剛被科學家確認地表下發現有冰(水)的情況,接下來對於土壤的分析還在進行中... "It's very typical of the soil here on Earth minus the organics," Kounaves said during a teleconference from Tucson, Arizona. "This soil clearly has interacted with water in the past," said William Boynton of the University of Arizona, Tucson.