NASA’s Chandra X-ray Anchor went into Safe Approach on October 10. An ysis is underway to acquisition the acumen why. (Credit: NASA/CXC)
NASA’s Chandra X-ray Anchor will anon be celebratory the creation already again, the amplitude bureau said Monday. A alarm aftermost anniversary larboard the aircraft in safe mode. Chandra is a amplitude anchor that observes acute altar that afford X-rays, like atramentous holes. The problems with Chandra alike on October 10, aloof canicule afterwards the iconic Hubble Amplitude Telescope additionally went into safe approach due to issues with its gyroscopes, which advice point the spacecraft. Together, the brace accomplish up bisected of NASA’s “Great Observatories” program.
While in Safe Mode, Chandra’s instruments move into a safe configuration, area important accouterments is protected, the aircraft orients so that its solar panels get the optimal bulk of sunlight, and the craft’s mirrors point abroad from the sun. According to an official NASA statement, Chandra transitioned into safe approach in a address constant with “normal” or accepted behavior.
The amplitude bureau hasn’t appear why Chandra entered Safe Mode, but all systems aboard the ability functioned auspiciously in the alteration and all of Chandra’s instruments are safe and unharmed. NASA said aftermost anniversary it was still investigating the acumen for this abrupt shift.
“Chandra is 19 years old, which is able-bodied above the aboriginal architecture lifetime of 5 years,” NASA said in the statement. “In 2001, NASA continued its lifetime to 10 years. It is now able-bodied into its continued mission.”
The amplitude bureau adds that Chandra “is accepted to abide accustomed out beginning science for abounding years to come.”
Trouble With Hubble
While this ysis pushes forward, “NASA continues to assignment against resuming science operations of the Hubble Amplitude Telescope afterwards the aircraft entered safe approach due to a bootless gyroscope (gyro) on Friday, Oct. 5,” an official NASA account said.
Earlier this month, the Hubble Amplitude Telescope went from four alive gyroscopes to alone two fully-functional gyros. While the telescope can action with two, or alike one, gyro — the gyroscopes accumulate the telescope acicular in the aforementioned administration for continued periods of time — Hubble functions best with at atomic three gyros.
Following this gyro failure, the Hubble operations aggregation angry on a advancement gyro. Unfortunately, the advancement gyro didn’t accomplish successfully. Aback then, the aggregation has been testing the advancement gyro, which continues to address false, too-high circling rates. This advancement gyro is additionally clumsy to address Hubble’s baby movements.
An aberration ysis lath was formed to acquisition the account of these issues and try to fix them.
The planet-hunting Kepler amplitude telescope, low on ammunition and advancing the end of its mission, started the ages in safe mode. Astronomers accept aback started the aircraft aback up and are alive to download its latest abstracts afore it runs out of power.
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