Huge NASA Science Balloon Crashes in Australian Outback
This story was updated at 10:51 a.m. EDT.
A huge NASA balloon loaded with a telescope painstakingly built to scan the sky at wavelengths invisible to the human eye crashed in the Australian outback Thursday, destroying the astronomy experiment and just missing nearby onlookers, according to Australian media reports.
In dramatic video released by the Australian Broadcasting Corporation (ABC), the giant 400-foot (121-meter) balloon is seen just beginning to lift its payload, then the telescope gondola appears to unexpectedly come loose from its carriage. The telescopes crash through a fence and overturn a nearby parked sport utility vehicle before finally stopping.
The attempted balloon telescope launch took place at the Alice Springs Balloon Launching Centre, near the town of Alice Springs, in the northern territory of Australia.
The wayward balloon overturned one car, but missed another parked nearby with local Alice Springs couple Stan and Betty Davies, who had come to watch the launch, still inside.
"We were sitting in our car and preparing to move it out of the way and we were actually about a foot of being wiped out," ABC quoted Davies as saying.
The balloon was carrying the Nuclear Compton Telescope (NCT), a gamma-ray telescope built by astronomer Steven Boggs and his colleagues at the University of California, Berkeley, California to study astrophysical sources in space.
"Today was a terrible day for a lot of people," wrote Eric Bellm, a graduate astronomy student at the UC Berkeley, in a blog chronicling the science mission. "For the NCT team, we've poured our hearts into this instrument for years. It was an almost unfathomable shock to find ourselves cleaning up the wreckage of our gondola rather than watching it lift off towards space."
The unmanned research balloon was built by NASA's Columbia Scientific Balloon Facility in Palestine, Texas and expected to haul its two-telescope payload up to an altitude of about 120,000 feet (36,576 meters). That's about 23 miles (37 km), though smaller home-built balloons have been built to reach high altitudes as well.
In his account of the crash, Bellm said an investigation into the balloon's launch failure will be performed, though a first glance found that at least some of the components for the Nuclear Compton Telescope appear to have survived relatively intact. The science team has cleaned up the wreckage and returned it to a staging hangar, he added.
Ravi Sood, director of the Alice Springs Balloon Launching Centre and a professor at Australia's University of New South Wales, said no one was hurt in the incident, but sometimes balloon launches can go awry.
"Ballooning, that's the way it happens on occasions but it is very, very disappointing. Gut-wrenching actually," he told ABC.
The failed balloon launch in Australia marked NASA's second balloon science campaign this month at the remote site. On April 15, NASA's balloon science program launched Tracking and Imaging Gamma Ray Experiment (TIGRE), a gamma-ray telescope, to search the galactic center of the sky for emissions from radioactive materials, NASA officials said.
That launch, which sent the telescope and its balloon to an altitude of 127,000 feet (38,709 meters), went according to plan, the space agency said.
The balloon's next payload to fly, an X-ray telescope called HERO aimed at mapping the galactic center for NASA's Marshall Space Flight Center, was targeted for May, Australian officials added.
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