Switching it off and on again DOES work: NASA reveals reset fixed Hubble Space telescope

Mail Online | 5/16/2009 | Mark Prigg For Dailymail.com
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It may be the classic response from IT departments around the world, but turning it off and on again really does work - even for the Hubble Space Telescope.

NASA has confirmed that resetting the aging telescope's main camera appears to have fixed an issue that left it offline.

Space - Telescope - Wide - Field - Camera

Hubble Space Telescope’s Wide Field Camera 3 instrument, suspended operations on Tuesday, Jan. 8th as a result.

Shortly after noon EST on Jan. 8, software installed on the Wide Field Camera 3 detected that some voltage levels within the instrument were out of the predefined range, NASA said.

Instrument - Operations - Safety - Precaution

The instrument autonomously suspended its operations as a safety precaution.

Upon further investigation, the voltage levels appeared to be within normal range, and all other telemetry within those circuits also contained erroneous values indicating that this was a telemetry issue and not a power supply issue.

Telemetry - Circuits - Boards - Engineering - Data

After resetting the telemetry circuits and associated boards, additional engineering data were collected and the instrument was brought back to operations.

Assuming that all tests work as planned, it is expected that the Wide Field Camera 3 will start to collect science images again by the end of the week.

Hubble - Science - Instruments - Observations

Hubble's three other science instruments are still working fine, with celestial observations continuing.

This third incarnation of the wide field camera was installed by spacewalking astronauts in 2009.

Camera - Electronics - Action - NASA

The camera has backup electronics that could be called into action, if necessary, according to NASA.

'Hubble will continue to perform science observations with its other three active instruments, while the Wide Field Camera 3 anomaly is investigated,' it said.

Field - Camera - Mission - Electronics - Instrument

'Wide Field Camera 3, installed during Servicing Mission 4 in 2009, is equipped with redundant electronics should they be needed to recover the instrument. '

The camera has captured stunning images of stars, galaxies stretching far back in time and assisted in deep sky surveys.

It's...
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