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June 24, 2021 05:34 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/srieU1YQu14/nasa-cant-figure-out-whats-causing-computer-issues-on-the-telescope
NASA Can't Figure Out What's Causing Computer Issues On The Telescope
The storied space telescope that brought you stunning photos of the solar system and enriched our understanding of the cosmos over the past three decades is experiencing a technical glitch. From a report: Scientists at NASA say the Hubble Space Telescope's payload computer, which operates the spacecraft's scientific instruments, went down suddenly on June 13. Without it, the instruments on board meant to snap pictures and collect data are not currently working. Scientists have run a series of tests on the malfunctioning computer system but have yet to figure out what went wrong. "It's just the inefficiency of trying to fix something which is orbiting 400 miles over your head instead of in your laboratory," Paul Hertz, the director of astrophysics for NASA, told NPR. "If this computer were in the lab, we'd be hooking up monitors and testing the inputs and outputs all over the place, and would be really quick to diagnose it," he said. "All we can do is send a command from our limited set of commands and then see what data comes out of the computer and then send that data down and try to analyze it." At first NASA scientists wondered if a "degrading memory module" on Hubble was to blame. Then on Tuesday the agency said it was investigating whether the computer's Central Processing Module (CPM) or its Standard Interface (STINT) hardware, which helps the CPM communicate with other components, caused the problem. Hertz said the current assumption, though unverified, was that the technical issue was a "random parts failure" somewhere on the computer system, which was built in the 1980s and launched into space in 1990. "They're very primitive computers compared to what's in your cell phone," he said, "but the problem is we can't touch it or see it." Most of Hubble's components have redundant back-ups, so once scientists figure out the specific component that's causing the computer problem, they can remotely switch over to its back-up part.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/srieU1YQu14/nasa-cant-figure-out-whats-causing-computer-issues-on-the-telescope
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