Nasa flying saucer deploys partially on test

2015-06-09 16:56


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Washington - Nasa launched a giant balloon on Monday carrying a kind of "flying saucer" that will test technologies for landing on Mars, but its outsized parachute only partly deployed.

The aircraft fitted with the largest parachute ever constructed - after several days of weather-related delays - was launched from a military base in Hawaii.

And the massive helium balloon rose for about three hours, according to Nasa, which broadcast the event live.

Once the "saucer" has been picked up and a black box-type device examined, Nasa was to hold a briefing on Tuesday at 17:00 GMT.

It was the second test of the saucer-like device called the Low-Density Supersonic Decelerator.

During the first test in June 2014, the parachute shredded to pieces on the way down. Nasa modified the design.

Since the atmosphere on Mars is so thin, any parachute that helps a heavy, fast-moving spacecraft touch down needs to be especially strong.

The US space agency figured out how to do this decades ago, beginning with the Viking mission that put two landers on Mars in 1976.

But with the goal of sending humans to Mars in the 2030s, the agency is now testing a more advanced, new generation of parachute technology, known as the Supersonic Ringsail Parachute.

It could allow even heavier spacecraft - the kind that may have humans and months of food and supplies on board - to land softly.

The test vehicle - the "flying saucer" - weighs 3 088kg, or about twice the weight of the kind of robotic rover spacecraft Nasa is currently capable of landing safely on Mars.

The parachute, described by Nasa's Jet Propulsion Laboratory as "the largest parachute ever deployed," is 30m in diameter.

The new technology is tested at a high altitude because conditions there are similar to the upper atmosphere of Mars.

Read more on:    nasa  |  us  |  space

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