Hubble's first images after a mysterious glitch show a pair of colliding galaxies on the left and a large spiral galaxy on the right.NASA has not released pictures., which is supposed to control and coordinate scientific instruments aboard the Hubble and monitor them for health and safety purposes, stopped working.
"After the halt occurred ... the main computer stopped receiving a ‘keep-alive’ signal, which is a standard handshake between the payload and main spacecraft computers to indicate all is well," NASA said in the statement. At first, the team thought the problem was a degrading memory module, but attempts to switch to a backup memory module failed.
The team moved its attention to other pieces of hardware that could have caused the payload computer to shut down, but the culprit is still unclear. Jim Jeletic, Hubble deputy project manager at Goddard Space Flight Center, told USA TODAY that operators suspect the telescope's Power Control Unit , which is designed to provide a steady voltage supply to the payload computer’s hardware.
"We can't completely prove it, unless you bring the computer back to the ground and we look at all the parts, but we suspect that either the voltage regulator was at fault for providing electricity that was a little out of range or the protective circuit was at fault," Jeletic said.
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