... on Mars. If not, it must be that life relies on some other process that Mars does not have, like plate tectonics," he added.
... the highest potential for life support say Tarnas and colleagues. Better still, because Mars lacks a plate tectonics system that constantly recycle crustal rocks, like they do here on Earth, these ancient terrains remain largely...
... collecting images of features on the surface that may help scientists figure out whether Venus had an ocean or plate tectonics like Earth. VERITAS, meanwhile, is short for Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy. Its...
... rest of the solar system, by comparing it with other planets and particularly with the Moon. Later sections on plate tectonics and continental drift will be familiar to those who studied geography at school, but the set of diagrams credited...