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June 7, 2015 02:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/Kpe5Vr5LdB0/nasa-to-test-inflatable-donut-for-landing-on-mars
NASA To Test Inflatable Donut For Landing On Mars
An anonymous reader writes: When NASA has put rovers on the surface of Mars, they've relied heavily on parachutes to get through the atmosphere safely. Aerobraking doesn't work as well as it does on Earth because Mars's atmosphere is so thin. Parachuting runs into the same problem, but it's easier to pack a bigger chute than it is to bring along a bigger heat shield. But NASA has been working on that exact problem, and they'll soon test the Low-Density Supersonic Decelerator (LDSD), which looks an awful lot like a giant, inflatable donut. When a spacecraft is ready to enter an atmosphere, the LDSD will inflate along its outside edge, substantially increasing its surface area while not adding too much weight. Weather has postponed the test a couple times already, but NASA hopes to complete it on Monday.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/Kpe5Vr5LdB0/nasa-to-test-inflatable-donut-for-landing-on-mars
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