glitch

NASA’s gamma-ray observatory is back in action after technical glitch

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NASA’s Neil Gehrels Swift Observatory is back to science operations as of Thursday (Feb. 17), following a glitch more than a month ago. The nearly 18-year-old telescope suffered a failure with one of its reaction wheels on Jan. 18, forcing a temporary pivot to safe mode. Swift uses a total of six reaction wheels to … Read more

NASA’s Chandra X-ray Observatory suffers camera glitch, stalling science

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A prolific NASA space telescope has closed its camera eye for now due to a power issue that has stalled the observatory’s science work. The Chandra X-ray Observatory, which has studied the X-ray universe since 1999, suffered a power supply problem with its High Resolution Camera instrument on Feb. 9, leading the mission team to … Read more