Monday, 10 December, 2018

NASA desperately trying to rescue Hubble Space Telescope

The Hubble Telescope Is Facing Gyroscope Failure But It Can Be Fixed Says NASA Hubble Space Telescope sidelined by serious pointing failure
Cary Marshall | 12 October, 2018, 00:45

The Hubble Space Telescope has brought new knowledge of the universe since 1990. As a result, Hubble remains in safe mode for now.

NASA confirmed the status of the spacecraft on Monday, Oct. 8.

Hubble Space Observatory has total six gyroscopes in order to keep it pointed straight at the target of which, three are of an older model and three are a newer model that was serviced during the last 2009 servicing mission. They are actively used to point as well as they help in making steady the failed telescope. Fortunately, the spacecraft has six gyros onboard for situations like this; three of which are more technologically advanced and, therefore, have longer lifespans. Although Hubble uses three gyros at a time for maximum efficiency, it can continue to make scientific observations with just one, NASA said.

Unfortunately, one of the gyros in reserve also experienced a malfunction while ground control was trying to turn it on this weekend.

American Space Agency NASA said that after hitting the work of a gyroscope in the Hubble Space Telescope, it had been kept in safe mode.

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The reason behind this decision of putting the work of one of the most iconic NASA's instrument on standby was taken after a failure in the gyroscopes of the instrument.

The gyroscope that failed had been exhibiting end-of-life behavior for approximately a year, and its failure was not unexpected; two other gyro devices of the same type have already failed.

Two of those enhanced gyros are now running. Staff who are from NASA's Goddard Space Flight Center as well Space Telescope Science Institute which is now performing analyses as well as tests to determine about the options that are available to recover the gyro so that it can carry the operational performance. It will only use one of its remaining functioning gyros, which will limit its sky coverage. Like cataracts, he says, it's "a sign of aging, but there's a very good remedy."While we wait for news of how Hubble is faring, here's a look back at some of its previous hiccups and fix missions.1990: The blurry mirrorOn June 27, 1990, three months after the space telescope launched, astronomers discovered an aberration in Hubble's primary mirror".

In a statement, the National Aeronautics and Space Administration (NASA) said that Hubble's tools are working perfectly and in the coming years, they are expected to get the best result in science.

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