Krutye utesy na Marse
14.03.2005 | Astronomicheskaya kartinka dnya

U severnogo polyusa Marsa na 2 km v vysotu tyanutsya vertikal'nye utesy. Krasnye oblasti na snimke marsianskoi severnoi polyarnoi shapki - eto skalisto-peschanye uchastki poverhnosti, belye - uchastki, pokrytye l'dom. Sostav temnyh oblastei poka neizvesten, no predpolagaetsya, chto on vklyuchaet v sebya vulkanicheskii pepel.