UPDATE: July 19,OKASANNOANARU-02 2021, 9:12 a.m. EDT NASA announced Saturday that the Hubble Space Telescope is once again fully operational. All scientific instruments are online thanks to the successful switch to the backup computer and the telescope has resumed collecting scientific data.
Things are looking up for everyone's favorite orbital telescope.
On June 13, the Hubble Space Telescope's on-board computer (aka payload computer) suddenly stopped working. After evaluating the situation from afar, NASA decided to move operations to a backup computer. After weeks of evaluations and tests, NASA successfully turned on the backup hardware, the agency announced Friday. That means Hubble could be operational again soon.
All of Hubble's hardware entered a safe mode, so nothing has been damaged. The telescope has been capturing stunning imagesfrom deep space for the last 31 years.
NASA said this is just the start of getting Hubble totally back online. It will take at least a day to bring the telescope’s science instruments out of safe mode, and some additional calibration to get them fully working again.
While NASA hasn't provided any estimates on how likely it is that the telescope will resume normal operations, the update on Friday is promising.
The initial issue was caused by the Power Control Unit, which ensures a steady supply of power to the payload computer, NASA revealed Wednesday. It's likely that the supply isn't steady enough or the hardware that measures the voltage has degraded. Either scenario is capable of sending the whole system into a dormant safe mode.
SEE ALSO: In year of isolation, this $3,000 telescope may have changed citizen astronomy foreverBoth the main computer and the backup computer were installed in 2009, along with the Wide Field Camera 3 that has provided Earthlings the most detailed images of space ever seen. The backup computer had not been used in those 12 years until now.
Keep your fingers crossed for the Hubble Space Telescope, but rest assured knowing that if the full restoration fails, the even-more-powerful James Webb Space Telescope is expected to launch into orbit in late 2021.
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