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 by Brooks Hays Washington (UPI) Jul 16, 2018
In late winter on Mars, 'spiders' begin to emerge on the Martian surface. NASA's newest featured image, captured earlier this year by the Mars Reconnaissance Orbiter, showcases the spindly geological formations. "Araneiform terrain" is the scientific term for the surface spiders. They appear as the sun returns to Mars' South Pole. As the warm solar rays heat the surface, carbon dioxide ice beneath the surface begins to sublimate, turning from a solid to a gas. When local pressure mounts inside the subsurface ice cap, pockets of gas can explode upwards, exploding dust in all directions and leaving a spider-like blast signature on the ground. The seasonal geological process is unique to Mars' South Pole and not found anywhere on Earth.
Airbus wins two ESA studies for Mars Sample Return mission Toulouse, France (SPX) Jul 09, 2018 Airbus has won two studies from the European Space Agency (ESA) to design a Sample Fetch Rover and an Earth Return Orbiter. These two elements will be critical parts of a mission to return samples of the planet Mars to Earth before the end of the next decade. NASA and ESA signed a letter of intent in April 2018 to pursue a Mars Sample Return mission. After launching to Mars in 2026, the Mars Sample Fetch Rover will retrieve Mars samples left by the Mars2020 rover. This NASA rover will leave 36 pen ... read more
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