How To Pass Your Ap Classes

Hubble in Safe Mode as Gyro Issues are Diagnosed

NASA - Hubble Space Telescope patch. Oct. 8, 2018 NASA is working to resume science operations of the Hubble Space Telescope after the spacecraft entered safe mode on Friday, October 5, shortly after 6:00 p.m. EDT. Hubble’s instruments still are fully operational and are expected to produce excellent science for years to come. Hubble entered safe mode after one of the three gyroscopes (gyros) actively being used to point and steady the telescope failed. Safe mode puts the telescope into a stable configuration until ground control can correct the issue and return the mission to normal operation. Built with multiple redundancies, Hubble had six new gyros installed during Servicing Mission-4 in 2009. Hubble usually uses three gyros at a time for maximum efficiency, but can continue to make scientific observations with just one. The gyro that failed had been exhibiting end-of-life behavior for approximately a year, and its failure was not unexpected; two other gyros of the same type had already failed. The remaining three gyros available for use are technically enhanced and therefore expected to have significantly longer operational lives.

NASA’s Hubble Space Telescope. Image Credit: NASA

Two of those enhanced gyros are currently running. Upon powering on the third enhanced gyro that had been held in reserve, analysis of spacecraft telemetry indicated that it was not performing at the level required for operations. As a result, Hubble remains in safe mode. Staff at NASA’s Goddard Space Flight Center and the Space Telescope Science Institute are currently performing analyses and tests to determine what options are available  to recover the gyro to operational performance. Science operations with Hubble have been suspended while NASA investigates the anomaly. An Anomaly Review Board, including experts from the Hubble team and industry familiar with the design and performance of this type of gyro, is being formed to investigate this issue and develop the recovery plan. If the outcome of this investigation results in recovery of the malfunctioning gyro, Hubble will resume science operations in its standard three-gyro configuration.   If the outcome indicates that the gyro is not usable, Hubble will resume science operations in an already defined “reduced-gyro” mode that uses only one gyro. While reduced-gyro mode offers less sky coverage at any particular time, there is relatively limited impact on the overall scientific capabilities. For more information about Hubble, visit: https://www.nasa.gov/hubble Image (mentioned), Text, Credits: NASA/Sarah Loff/Felicia Chou. Greetings, Orbiter.ch Full article

The Orion Bullets via NASA https://ift.tt/2VwwqDm

Ripples in the rings of Saturn caused by the orbit of small moons (Pandora, Pan, Prometheus, Atlas, Daphnis, etc.)

To see the animation click here

Image credit: NASA/JPL/Cassini & Planetary Ring Image of the Day 

NGC 1309: Spiral Galaxy and Friends 

Image Credit: Hubble Legacy Archive, ESA, NASA; Processing - Jeff Signorelli

Comet Lovejoy and The Pleiades

SH2-155, Cave Nebula

October is the time of year for the Orionids Meteor Shower! Pictured here, over two dozen meteors were caught in successively added exposures last October in Inner Mongolia. The featured image shows multiple meteor streaks that can all be connected to a single small region on the sky called the radiant, here visible just above and to the left of the belt of Orion. The Orionids meteors started as sand sized bits expelled from Comet Halley during one of its trips to the inner Solar System. Comet Halley is actually responsible for two known meteor showers, the other known as the Eta Aquarids and visible every May. 

Next month, the Leonids Meteor Shower from Comet Tempel-Tuttle should also result in some bright meteor streaks.

Image Credit & Copyright: Yin Hao

Float On: Hey sometimes shit happens but life goes on yaay :D

Dashboard: Things may suck right now but at least not everything sucks :D

Lampshades On Fire: We're all gonna fucking die and there's nothing the human race can do about it

The Aurora and the Sunrise : Auroras are one of the many Earthly phenomena the crew of the International Space Station observe from their perch high above the planet. (via NASA)

This is so important. I have two years left of my Bachelor degree, and it took me 16 years to get my associate. Never give up, even if you have to put those goals on hold (sometimes multiple times), because life happens. Make yours worth it.

just because someone’s accomplishing more than you are right now doesn’t mean you’re failing. success isn’t a race