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Blue Origin will fly first crew to space in July by AFP Staff Writers Washington (AFP) May 5, 2021 Jeff Bezos' Blue Origin will send its first crew to space on July 20 and is offering one of the seats to the winner of an online auction, the company said Wednesday. The trip will last a total of ten minutes, four of which passengers will spend above the Karman line that marks the recognized boundary between Earth's atmosphere and space. "We've been perfecting our ability to launch, land and repeat," a video accompanying the announcement said. "Our next launch will be the first time astronauts will fly aboard New Shepard." The reusable suborbital rocket system was named after Alan Shepard, who sixty years ago on Wednesday became the first American in space. New Shepard has successfully carried out 15 uncrewed test runs launching from its facility in the Guadalupe Mountains of West Texas. After lift-off, the capsule, which carries up to six crew members, separates from its booster, then spends four minutes at an altitude exceeding 60 miles (100 kilometers), during which time those on board experience weightlessness and can observe the curvature of Earth from space. The booster lands autonomously on a pad two miles from the launch site, and the capsule floats back to the surface with three large parachutes that slow it down to about a mile an hour when it lands. Blue Origin said the bidding will be unsealed on May 19 before a final-stage live online auction on July 12 when the winner is announced. The proceeds will go to the company's foundation, Club for the Future, which aims to inspire future generations to pursue careers in STEM. Blue Origin has not yet published its prices but its clientele is expected to mainly be wealthy individuals. Virgin Galactic, the company founded by British billionaire Richard Branson, is also developing a spacecraft capable of sending clients on suborbital flights. Some 600 people have booked flights, costing $200,000 to $250,000. Elon Musk's SpaceX is planning orbital flights that would cost millions of dollars and send people much further into space.
Stone skipping techniques can improve reentry of space vehicles Washington DC (SPX) Apr 26, 2021 Skipping stones on a body of water is an age-old game, but developing a better understanding of the physics involved is crucial for more serious matters, such as water landings upon reentry of spaceflight vehicles or aircrafts. In Physics of Fluids, by AIP Publishing, scientists from several universities in China reveal several key factors that influence the number of bounces a skipping stone or landing aircraft will undergo when hitting the water. The study involved theoretical modeling and ... read more
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