ROCKET EXPLOSION: Australian astronomer Ray Palmer was photographing the Southern Cross from his observatory in Western Australia on Feb. 19th when a flaming plume cut across the Milky Way. "I had no idea what it was," he says. "It was moving very slowly and I was able to track it for 35 minutes."
Photo details: Nikon FM2, 50mm lens, Kodak Elite Chrome 200, 30 minutes.
In mid-apparition the object exploded. Gordon Garradd of New South Wales photographed an expanding cloud filled with specks of debris. Tim Thorpe of South Australia saw it, too. "Quite a surreal scene," he says.
What was it? It was a mystery for almost 24 hours until satellite expert Daniel Deak matched the trajectory of the plume in Palmer's photo with the orbit of a derelict rocket booster--"a Briz-M, catalog number 28944."
One year ago, the Briz-M sat atop a Russian Proton rocket that left Earth on Feb. 28, 2006, carrying an Arabsat-4A communications satellite. Shortly after launch, the rocket malfunctioned, leaving the satellite in the wrong orbit and the Briz-M looping around Earth partially-filled with fuel. On Feb. 19, 2007, for reasons unknown, the fuel tanks ruptured over Australia.
Jon P. Boers of the USAF Space Surveillance System confirms the ID and notes "later, on the other side of the world, our radar saw 500+ pieces in that orbit." Today the count is up to 1111 fragments. "[We're seeing] more fragments as the cloud expands," he explains.
Some of the fragments are visible in this movie made by Rob McNaught at ....
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The number of items of space debris is growing exponentally , it may be that quite soon access to space will be blocked by orbiting junk.
