NASA wants to send humans to Mars in this giant flying saucer and it's about to take it for a test run - here's how to watch
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The test flight involves the use of a balloon to transport the spacecraft high above Earth's atmosphere. That means the wind can't be too strong during the test flight, which is why the launch window is fairly long. If weather conditions don't permit a test on Tuesday, the LDSD team will have other opportunities up through June 12.The technology NASA used to land its Curiosity rover on the red planet in 2012 won't cut it when it comes to heavier payloads like manned missions.
So, NASA is pushing the boundaries of spacecraft technology with their LDSD project to design the safest, most cost-effective way of slowing a spacecraft down once it has entered the red planet's atmosphere.
How to slow down a giant flying saucer moving at supersonic speedsThis ambitious new technology includes two major components: a body that is shaped like a flying saucer and a giant blow-up tube - called the Supersonic Inflatable Aerodynamic Decelerator (SIAD) - wrapped around the body.NASA's flight scheduled for June 2 will be the second time that the LDSD team will have put this flying saucer to the test. The first flight test took place about a year ago on Jun 28, 2014, and this year's test flight will be very similar.
During the 2014 test flight, the spacecraft was transported to over 120,000 feet above Earth's surface by a giant balloon. Up there, Earth's atmosphere is very thin, and, therefore, more similar to the atmosphere on Mars.
Here's a diagram showing each step of the test:
By simply increasing the overall size of the spacecraft, SIAD can reduce its overall speed from 2,600 miles per hour to 1,500 miles per hour - two times the speed of sound. Here's what SIAD looks like on its own:
The big difference the second time aroundNASA deemed last year's test flight a success since the spacecraft successfully splashed down off the Hawaiian coast in the Pacific and was retrieved completely intact.
However, there was minor mishap during the first test flight that the LDSD team hopes to remedy the second time around. The parachute that would slow the spacecraft down even further, after SIAD did its job, practically disintegrated immediately after deployment. You can see the holes in it below:
You can watch NASA launch a giant flying saucer on Tuesday, June 2:
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