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This week in space history: Vikings explore, photograph Mars

Viking 2 entered Mars orbit on Aug. 7, 1976, and set about separating fact from fiction surrounding the red planet. In 1906, "Mars and its Mystery" (Little, Brown and Co.) theorized that a "large, irregular, dark region" contained "bodies of waters, or seas. Š From remote times it has been taken for granted by the best of minds that other worlds besides ours sustain life." Wernher von Braun, the German scientist who developed the Saturn V that launched Americans to the moon, and Willy Ley discussed long-held theories in "The Exploration of Mars," (The Viking Press/1956). They wrote: "This was the picture of Mars at mid-century: a small planet of which three-quarters is cold desert, with the rest covered with a sort of plant life that our biological knowledge cannot quite encompass." In the mid-1890s, astronomer Percival Lowell was lecturing on Martian features he called canals, Mark Littman stated in "Planets Beyond" (Wiley Sc...
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NASA: Despite run of tough luck, shuttle lands safely

Computerworld - After a grueling and technically intensive 16-day mission in space, the seven-person crew of the space shuttle Endeavour safely touched down at Kennedy Space Center in Florida this morning. The shuttle landed as scheduled at 10:48 a.m. ET. It was a picture-perfect landing for a shuttle that had a tough time getting off the ground due to a gaseous hydrogen leak that scuttled two scheduled launches and bad weather that derailed three other attempts. The shuttle finally blasted off on July 15 - its sixth launch attempt. Yesterday, mission control specialists found that one of Endeavour's forward thrusters, which control altitude and speed upon re-entry, failed during a test of control systems. As shown today, NASA had reported that the shuttle could land safely without the thruster. Returning from orbit, the shuttle and its crew left behind a new porch for the Japanese laboratory on the International Space Station, new batteries installed to store power collected from...
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NASA system warns of turbulence ahead

A new $2 million warning system funded by NASA could help pilots avert rough patches, easing passenger jitters and dodging the type of hard knocks that hit a Boeing 767 jet Monday and injured 28 people. Advertisement Such "clear-air" turbulence lurks without clouds, any warning or a storm in sight. It can cause upheavals in flight attendants with the strongest of intestinal fortitudes and rattle even the grittiest of pilots, not to mention passengers. Flight instructor Scott Haun knows those knocks well. "Even a drop of 15 to 20 feet is substantial if you're not belted in," said Haun, owner and chief flight instructor for Voyager Aviation at Merritt Island Airport. "It's sort of like going off-roading in your car without a seatbelt." In two years, pilots will have new tools, aided by artificial intelligence, to allow them to better tell when the ride is about to get bumpy. The National Center for Atmospheric Research is developing a prototype syste...
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