Feeds

NASA postpones Discovery ISS jaunt

Ponders pesky hydrogen flow control valve

5 things you didn’t know about cloud backup

NASA has postponed the Discovery STS-119 mission to the International Space Station while it ponders a possibly troublesome hydrogen flow control valve.

The agency explains that the shuttles have "three flow control valves that channel gaseous hydrogen from the main engines to the external fuel tank" - one of which was damaged on Endeavour's STS-126 gig last November.

NASA last Friday decided that "more data and possible testing are required" before a launch, and is additionally looking into "the consequences if a valve piece were to break off and strike part of the shuttle and external fuel tank".

Bill Gerstenmaier, associate administrator for Space Operations at NASA Headquarters in Washington, said: "We need to complete more work to have a better understanding before flying. We were not driven by schedule pressure and did the right thing. When we fly, we want to do so with full confidence."

STS-119 will, when it eventually gets off the ground, deliver the final sets of solar arrays to the ISS to enable it to accommodate a permanent crew of six. NASA elaborates: "The set of solar arrays that the STS-119 crew will be bringing up includes two solar array wings, each of which has two 115-foot-long arrays, for a total wing span of 240 feet, including the equipment that connects the two halves and allows them to twist as they track the sun.

"Altogether, the four sets of arrays can generate 84 to 120 kilowatts of electricity - enough to provide power for more than 40 average homes. Since the three existing arrays can handle the majority of the station's day-to-day operational and life support needs, the newest solar array will double the amount of power available for scientific research."

There's a mission summary here (pdf), and more on the pesky flow control valve here (pdf). ®

Secure remote control for conventional and virtual desktops

More from The Register

next story
Boffins attempt to prove the UNIVERSE IS JUST A HOLOGRAM
Is this the real life? Is this just fantasy?
Our LOHAN spaceplane ballocket Kickstarter climbs through £8000
Through 25 per cent but more is needed: Get your UNIQUE rewards!
Software bug caught Galileo sats in landslide, no escape from reality
Life had just begun, code error means Russia's gone and thrown it all away
LOHAN tunes into ultra long range radio
And verily, Vultures shall speak status unto distant receivers
SpaceX prototype rocket EXPLODES over Texas. 'Tricky' biz, says Elon Musk
No injuries or near injuries. Flight stayed in designated area
Galileo, Galileo! Galileo, Galileo! Galileo fit to go. Magnifico
I'm just a poor boy, nobody loves me. But at least I can find my way with ESA GPS by 2017
EOS, Lockheed to track space junk from Oz
WA facility gets laser-eyes out of the fog
prev story

Whitepapers

Gartner critical capabilities for enterprise endpoint backup
Learn why inSync received the highest overall rating from Druva and is the top choice for the mobile workforce.
Implementing global e-invoicing with guaranteed legal certainty
Explaining the role local tax compliance plays in successful supply chain management and e-business and how leading global brands are addressing this.
Rethinking backup and recovery in the modern data center
Combining intelligence, operational analytics, and automation to enable efficient, data-driven IT organizations using the HP ABR approach.
Consolidation: The Foundation for IT Business Transformation
In this whitepaper learn how effective consolidation of IT and business resources can enable multiple, meaningful business benefits.
Next gen security for virtualised datacentres
Legacy security solutions are inefficient due to the architectural differences between physical and virtual environments.