Mars News, Science, Technology at MarsDaily.com

December 21, 2015

Martian gullies likely contain 'no water': study
Paris (AFP) Dec 21, 2015
Months after scientists announced "the strongest evidence yet" of liquid water on Mars, a study Monday said there was none at least in the valleys carved into numerous Red Planet slopes. Rather than water flows like those on Earth, these Martian gullies were likely created by dry ice defrosting, a duo of French scientists wrote in the journal Nature Geoscience. "The role of liquid water in gully formation should... be reconsidered, raising the question of the importance of its occurrence in Mars ... read more

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Insight shipped to California for March launch to Mars NASA's next Mars spacecraft has arrived at Vandenberg Air Force Base, California, for final preparations before a launch scheduled in March 2016 and a landing on Mars six months later. Lockhee ... more		Rocks Rich in Silica Present Puzzles for Mars Rover Team In detective stories, as the plot thickens, an unexpected clue often delivers more questions than answers. In this case, the scene is a mountain on Mars. The clue: the chemical compound silica. Lots ... more		New Mars rover findings revealed at American Geophysical Union Conference New findings by NASA's Mars Curiosity rover are the focus of a press conference this morning at the American Geophysical Union (AGU) meeting in San Francisco, Calif. A group of scientists, including ... more
				Opportunity performs a week of robotic arm at Marathon Valley Opportunity is inside "Marathon Valley" on the west rim of Endeavour Crater. The rover is positioned on a steep slope with an approximately 19-degree northerly tilt for improved solar array en ... more		Study finds evidence for more recent clay formation on Mars Recent orbital and rover missions to Mars have turned up ample evidence of clays and other hydrated minerals formed when rocks are altered by the presence of water. Most of that alteration is though ... more

Curiosity reaches sand dunes NASA's Curiosity Mars rover has begun an up-close investigation of dark sand dunes up to two stories tall. The dunes are on the rover's trek up the lower portion of a layered Martian mountain. ... more		Opportunity on west rim of Endeavour Crater within Marathon Valley The rover is positioned on steep, north-facing slopes for improved solar array energy production. On Sol 4202 (Nov. 19. 2105), the robotic arm was raised so Panoramic Camera (Pancam) color images co ... more		SpaceX launches secretive US military spacecraft Documents show New Zealand unease over Chinese warships in South Pacific North Korea's Kim decorates troops who fought for Russia against Ukraine		NASA's Curiosity rover reaches Martian sand dunes NASA's Curiosity rover is continuing its trek up Mount Sharp. Recently, the Mars rover reached a series of sand dunes covering a lower portion of the layered Martian mountain inside Gale Crater. ... more
				Mars Mission Team Addressing Vacuum Leak on Key Science Instrument A key science instrument that will be carried aboard NASA's Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport (InSight) spacecraft being prepared for launch in March 2016 ... more		Letter to Mars? Royal Mail works it out for British boy, 5 Britain's Royal Mail has turned to NASA for help after a five-year-old boy wrote in asking how much it would cost to post a letter to Mars. ... more

Tempur-Pedic Mattress Comparison & Memory Foam Mattress Review

European payload selected for ExoMars 2018 surface platform Two European instruments and four European contributions on two Russian instruments have been selected for the Russian-led science platform that will land on Mars as part of the ESA-Roscosmos ExoMar ... more		ExoMars has historical, practical significance for Russia, Europe The ExoMars program to explore the environment on Mars has historical and practical significance for Russia and Europe, deputy-head of the Russian space agency Roscosmos, Sergei Savelev, said Thursd ... more		Comet water analysis strengthens link to Earth origins Do you want to freeze a cloud? Desert dust might help Genetic traits behind hibernation may offer new hope for treating metabolic disease		ExoMars prepares to leave Europe for launch site The two ExoMars spacecraft of the 2016 mission are being prepared for shipping to the Baikonur Cosmodrome in Kazakhstan ahead of their launch in March. A joint endeavour with Russia's Roscosmo ... more
Tracking down the 'missing' carbon from the Martian atmosphere Mars is blanketed by a thin, mostly carbon dioxide atmosphere--one that is far too thin to prevent large amounts of water on the surface of the planet from subliming or evaporating. But many researc ... more		Mars to lose its largest moon, Phobos, but gain a ring Mars' largest moon, Phobos, is slowly falling toward the planet, but rather than smash into the surface, it likely will be shredded and the pieces strewn about the planet in a ring like the rings en ... more		Study: Mars to become a ringed planet following death of its moon A new study, published in Nature Geoscience, suggests Mars could become ringed if its smaller moon Phobos falls apart, as scientists believe it will. ... more		A witness to a wet early Mars Vast volumes of water once flooded through this deep chasm on Mars that connects the 'Grand Canyon' of the Solar System - Valles Marineris - to the planet's northern lowlands. The image, taken by ES ... more

	NASA completes heat shield testing for future Mars exploration vehicles As NASA missions to Mars progress with science and complex human exploration missions, spacecraft will require larger heat shields to protect against the extreme heat of entering a planet's atmosphe ... more		Curiosity Mars Rover Heads Toward Active Dunes On its way to higher layers of the mountain where it is investigating how Mars' environment changed billions of years ago, NASA's Curiosity Mars rover will take advantage of a chance to study some m ... more

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Landing site recommended for ExoMars 2018

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