Telstra has revealed the addition of almost one million new mobile services in the six months to December 2011, but Sensis revenues plummeted 24 percent in 12 months.
After four spacewalks, a broken bearing was replaced, and the joint and other various gears and parts were cleaned and lubricated.
On the fourth (and last) spacewalk, U.S. astronauts (and general-purpose space-based handy-men) Steve Bowen and Shane Kimbrough took about six hours to clean metal shavings and grit from the rotating 10-foot (3-meter) wide gear of the starboard (right-side) solar array.
They also lubricated the port (left) side gear, although it has been running fine.
The large gears are designed to rotate the Space Station's solar arrays "like a paddlewheel" in order to maximize the smount of sunlight that hits the array to generate electricity.
NASA plans to test drive the refurbished gear's ability to track the sun early Tuesday at about 5:30 a.m. EST (1030 GMT)
Mission Control controllers have already tested the unit, forming the test early Tuesday morning at about 5:30 a.m. Eastern Standard Time (EST), 1030 Greenwich Mean Time (GMT), and found that it is performing well, after rotating it twice over night as the astronaut crew slept.
Functioning solar arrays are ritical to the Space Station so that sufficient electricity can be generated from solar energy from the Sun to allow six humans to habitat the ISS.
The solar arrays rotate so as to keep its position in front of the Sun for maximum generation of electrical power from sunlight hitting the solar arrays.
So, it looks promising that the astronauts will be able to drink purified water (made from their urine, sweat, and various other sources) rather than deliver very expensive water up from Earth.
And, it also looks like the solar arrays are back to normal so enough electricity can be generated to provide for the expanded personnel at the Station.
David Bass
| ComOps, a leading Australian provider of business software products and services, has won a competitive tender to deploy its Salvus safety, r…
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