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qfii Remnants of a Glacier Found Near Martian Equator
« le: Novembre 02, 2024, 11:28:34 pm »
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 All the scientific tools on NASA s two Mars Exploration Rovers are still working well, a full 10 months after Spirit s dramatic landing.The ones on Spirit are adding fresh evidence about the history of layered bedrock in a hill the rover is climbing. Our leading hypothesis is that these rocks originated as volcanic ash that fell from the air or moved in ground-hugging ash flows, and that minerals in them were altered by water,  said Dr. Ray Arvidson of Washington University, St. Louis, deputy principal investigator for the mission. This is still  stanley cups uk a working hypothesis, not a firm conclusion, but all the instruments have contributed clues that fit,  he said.  However, it is important to point ou stanley cup t that we have just begun to characterize the textures, mineralogy and chemistry of these layered rocks. Other hypotheses for their origin focus on the role of transp stanley website ort and deposition by water. In fact, it may turn out that volcanism, water and wind have produced the rocks that Spirit is examining. We are just beginning to put together the big picture. Both rovers completed three-month primary missions in April. NASA has extended their missions twice because they have remained productive longer than anticipated. We re still making good progress even though Spirit has two types of problems with its wheels,  said Jim Erickson, rover project manager at NASA s Jet Propulsion Laboratory, Pasadena, Calif.  We are working around those problems successfully, but they might be a sign of things to Ovcj Should you pre-order HTC apos  VIVE XR Elite headset
 Caption from LIFE. S stanley cup urrounded by a skirt full of her own pretty face, model Norma Richter shows off dress made especially to demonstrate photographic fabrics.Nina Leen鈥擳he LIFE Picture Collection/Getty ImagesBy Ben CosgroveSeptember 25, 2012 10:43 AM EDTUntil now, LIFE magazine told its readers in December 1947, anyone claiming to have seen a dinner dress decorated with life-size photographs of the wearer would have met with breath-sniffing suspicion or clinical alarm. Today, however, such dresses can be made and photographs of everything from animals to pearl necklaces are being printed not only on dress fabrics but on upholstery, pillows, ties, bathing suits and lingerie.That LIFE devoted several pages and numerous photographs to reporting on this new development  lame pun intended  is an indication of just how remarkable the achievement really  stanley thermos was. Remember: This was happening 65 years ago. Men and women had been pushing the technical limits of photography ever since the medium was born, well over a century before mdash; but no one , it seems, ha stanley cup d ever bothered to devote the energy, time and money it would take to devise a method for printing pictures directly on to fabric. Two New York-based companies were out to change that grave dereliction: by 1947, the photographic fabrics [were] being produced in quantity by two new and rival processes.Both methods depend on a series of secret chemicals and dyes with which fabric is impregna