MARS TOPICS GEOLOGY & PLANETARY SCIENCE A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z           HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Chryse Planitia A relatively smooth, circular plain, possibly an ancient impact basin, in the north equatorial region of Mars, 1,600 km (1,000 miles) across and 2.5 km (1.5 miles) below the average planetary surface. It appears to have suffered water erosion in the past (see Mars, water on) and was chosen as the site of the Viking 1 landing in 1976. Related categories    • MARS TOPICS    • GEOLOGY AND PLANETARY SCIENCE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP