NASA's Hubble Space Telescope returned to normal operations late Friday, October 26, and completed its first scientific observations on Saturday,…
NASA’s Hubble Space Telescope returned to normal operations late Friday, October 26, and completed its first scientific observations on Saturday, October 27 at 2:10 pm. The observations were of the distant star-forming galaxy DSF2237B-1-IR and were taken in infrared wavelengths with the Wide Field Camera 3 instrument. The recovery of science will succeed in recovering a backup gyroscope, or gyro, who had replaced a failed gyro tree weeks earlier.
A gyro is a device that measures the speed of spacecraft, which is necessary to help Hubble twist and lock on new targets. One of Hubble’s gyros failed on October 5, and the spacecraft’s operating group activated a backup gyro the next day. The backup returned incorrectly rotational speeds that were well above the actual prices.
Last week, the Hubble Operation Team commanded to perform many maneuvers, or twist and switch gyro between different modes of operation, which managed to clear what was thought to be blocking components within gyro that produced the excessive values. Thereafter, the team supervised and tested the gyro with additional maneuvers to ensure that the gyro was stable. The team then installed additional security measures on the spacecraft if the exaggerated exchange rates return, but this is not expected.
On Thursday, the Operation Group conducted additional maneuvers to collect gyro calibration data. On Friday, Hubble performed activities similar to scientific observations, including rotating pointing to different sky places and locked on to test goals. The team completed all these activities without any problems.
Last Friday, the team started the process of restoring the scientific instruments to the standard operating status. Hubble successfully completed maneuvers to reach targets for the first scientific observations and the telescope collected their first scientific data since October 5th.
Hubble is now back in its normal science mode with three fully functional gyros. Originally required to be 1
5 years old, Hubble has now been at the forefront of scientific discovery for more than 28 years. The team expects the telescope to continue to provide great discoveries well into the next decade, making it possible to work with James Webb Space Telescope.
Hubble is operated and operated at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.
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Hubble flies closer to normal science operations
Washington DC SPX) October 23, 2018
NASA took great advantage last week to press a Hubble Space Telescope backup gyroscope (gyro) that failed to return extremely high rotational speeds. The backup giant was turned on after the spacecraft entered safe mode due to a failed gyro on Friday, October 5th. The rotation speeds produced by backup gyro have since decreased and are now within an expected range. Further tests will be conducted to ensure that Hubble can return to science operations with this gyro.
A gyro is a unit th … read more