NASA Deems Flying Saucer Test A Success Despite Failed Parachute

Tuesday, July 8, 2014

NASA Deems Flying Saucer Test A Success Despite Failed Parachute

NASA Deems Flying Saucer Test A Success Despite Failed Parachute:

A recovery vessel lifts the Low-Density Supersonic Decelerator aboard after its June 28, 2014 test over the U.S. Navy’s Pacific Missile Range. Credit: NASA/JPL-Caltech

Although the parachute didn’t pop out during a flight test this weekend of NASA’s flying-saucer shaped prototype spacecraft for future Mars exploration, the agency says the so-called Low-Density Supersonic Decelerator performed to expectations.

In an update released yesterday (June 30), one day after the craft made a hard landing in the Pacific, the agency noted that every goal on the flight had been met. The nature of the parachute failure is being investigated; the parachute was a year ahead of schedule in its development, according to NASA.

“The test vehicle worked beautifully, and we met all of our flight objectives,” stated Mark Adler, project manager for LDSD at NASA’s Jet Propulsion Laboratory in California. “We have recovered all the vehicle hardware and data recorders and will be able to apply all of the lessons learned from this information to our future flights.”

The flight test (which had been delayed for some time due to weather) saw LDSD soar into the sky on a high-altitude balloon launch that took it up to 120,000 feet (36,576 meters). As planned, the test vehicle was severed from the balloon to see how well it would perform during a simulated descent to the Martian surface.

The Low-Density Supersonic Decelerator (LDSD) soars into the sky during a test flight June 28, 2014 (invisible at top of contrail) while its carrier balloon floats in the frame. Credit: NASA/JPL-Caltech

With Martian spacecraft getting heavier, NASA is testing out new technologies to control spacecraft during the landing that would safely be able to navigate the Red Planet’s thin atmosphere. This test was supposed to see the LDSD leave the balloon while spinning sideways (somewhat like a football) and zoom to four times the speed of sound.

Next, it was supposed to deploy a Supersonic Inflatable Aerodynamic Decelerator to slow down to 2.5 Mach (speed of sound) and then pop the parachute. The SIAD did inflate as planned, but not the parachute.

“All indications are that the SIAD deployed flawlessly, and because of that, we got the opportunity to test the second technology, the enormous supersonic parachute, which is almost a year ahead of schedule,” stated Ian Clark, principal investigator for LDSD at JPL.

This was the first of three planned test flights for LDSD, and the next one is expected to go up in 2015. In an unrelated test, NASA successfully deployed parachutes for its Orion spacecraft prototype for humans in a complex manuever last week.

Source: NASA Jet Propulsion Laboratory

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The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the civilian space program as well as aeronautics and aerospace research. President Dwight D. Eisenhower established the National Aeronautics and Space Administration (NASA) in 1958 with a distinctly civilian (rather than military) orientation encouraging peaceful applications in space science. The National Aeronautics and Space Act was passed on July 29, 1958, disestablishing NASA's predecessor, the National Advisory Committee for Aeronautics (NACA). The new agency became operational on October 1, 1958.

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The Oxford English Dictionary defines a UFO as "An unidentified flying object; a 'flying saucer'." The first published book to use the word was authored by Donald E. Keyhoe. The acronym "UFO" was coined by Captain Edward J. Ruppelt, who headed Project Blue Book, then the USAF's official investigation of UFOs. He wrote, "Obviously the term 'flying saucer' is misleading when applied to objects of every conceivable shape and performance. For this reason the military prefers the more general, if less colorful, name: unidentified flying objects. UFO (pronounced Yoo-foe) for short." Other phrases that were used officially and that predate the UFO acronym include "flying flapjack", "flying disc", "unexplained flying discs", "unidentifiable object", and "flying saucer". The phrase "flying saucer" had gained widespread attention after the summer of 1947. On June 24, a civilian pilot named Kenneth Arnold reported seeing nine objects flying in formation near Mount Rainier. Arnold timed the sighting and estimated the speed of discs to be over 1,200 mph (1,931 km/h). At the time, he described the objects' shape as being somewhat disc-like or saucer-like, leading to newspaper accounts of "flying saucers" and "flying discs". In popular usage the term UFO came to be used to refer to claims of alien spacecraft. and because of the public and media ridicule associated with the topic, some investigators prefer to use such terms as unidentified aerial phenomenon (or UAP) or anomalous phenomena, as in the title of the National Aviation Reporting Center on Anomalous Phenomena (NARCAP).

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UFO - Unidentified Flying Object An unidentified flying object, or UFO, in its most general definition, is any apparent anomaly in the sky that is not identifiable as a known object or phenomenon. Culturally, UFOs are associated with claims of visitation by extraterrestrial life or government-related conspiracy theories, and have become popular subjects in fiction. While UFOs are often later identified, sometimes identification may not be possible owing to the usually low quality of evidence related to UFO sightings (generally anecdotal evidence and eyewitness accounts). Stories of fantastical celestial apparitions have been told since antiquity, but the term "UFO" (or "UFOB") was officially created in 1953 by the United States Air Force (USAF) to serve as a catch-all for all such reports. In its initial definition, the USAF stated that a "UFOB" was "any airborne object which by performance, aerodynamic characteristics, or unusual features, does not conform to any presently known aircraft or missile type, or which cannot be positively identified as a familiar object." Accordingly, the term was initially restricted to that fraction of cases which remained unidentified after investigation, as the USAF was interested in potential national security reasons and/or "technical aspects" (see Air Force Regulation 200-2). During the late 1940s and through the 1950s, UFOs were often referred to popularly as "flying saucers" or "flying discs". The term UFO became more widespread during the 1950s, at first in technical literature, but later in popular use. UFOs garnered considerable interest during the Cold War, an era associated with a heightened concern for national security. Various studies have concluded that the phenomenon does not represent a threat to national security nor does it contain anything worthy of scientific pursuit (e.g., 1951 Flying Saucer Working Party, 1953 CIA Robertson Panel, USAF Project Blue Book, Condon Committee).

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Photos of Nature | Nature Photography What is The Universe

Tuesday, July 8, 2014