The LRO spacecraft braked into a highly elliptical orbit around the moon June 23. A series of rocket firings have now placed the satellite in its so-called commissioning orbit, one with a low point of about 19 miles and a high point of 124 miles. Later this summer, it will be maneuvered into a circular 31-mile-high orbit around the moon's poles.

The Lunar Reconnaissance Orbiter Camera, or LROC, was turned on June 30. The first test images showed cratered terrain in the lunar highlands south of the Sea of Clouds. Each picture represents a square measuring 0.87 miles wide.

A test image from the Lunar Reconnaissance Orbiter showing cratered terrain near the southern lunar highlands south of the Sea of Clouds.

(Credit: NASA)

Originally posted at The Space Shot

The 7-inch vent line and the ground umbilical carrier plate used to connect it to a port on the side of the external tank will remain in their current configuration and engineers are confident the system will be leak-free when Endeavour is fueled for launch on a space station assembly mission.

"We're in really good shape," said Mike Moses, the shuttle program launch integration manager at the Kennedy Space Center. "We're going to try on the 11th...We got it lined up just right and it doesn't leak."

The shuttle Endeavour during a fueling test Wednesday at the Kennedy Space Center. A leak in a hydrogen vent line umbilical, visible to the left, grounded Endeavour twice in June. During Wednesday's test, the repaired vent line worked normally, setting the stage for another launch try July 11.

(Credit: NASA TV)

The vent line is used to carry excess hydrogen gas away from the shuttle when the tank is filled with super-cold propellant. A valve used to route hydrogen to the vent line is closed a few minutes before launch when the tank is pressurized for flight.

Endeavour was grounded June 13 and 17 when sensors near the umbilical attachment plate detected hydrogen concentrations of more than 60,000 parts per million, or 6 percent. The allowable concentration near the shuttle is 4 percent.

After the second launch scrub, engineers collected detailed measurements and concluded the problem was caused by an alignment issue between the hydrogen vent port on the tank and the vent line interface. To ensure a tight fit, engineers replaced a rigid Teflon seal with a more flexible design, modified the umbilical plate mounting pins, and installed washer-like shims to counteract the alignment issue.

Originally posted at The Space Shot

The Galileo satellite-network project, which aims to provide a European civilian rival to the U.S. military's GPS system, was launched in the mid-1990s, and due to be completed by 2013. ...

Adherence to the Three Laws of Robotics as put forth by Isaac Asimov has been, until now, entrusted to whoever held the joystick. That may change.

A robotics engineer at the Georgia Institute of Technology has developed an "ethical governor," which could be used to program military robots

Originally posted at Military Tech

Last week, we told you about Mindflex, a Mattel toy that lets players move objects with their brains. This week comes word that the same technology is making its way into a more functional application--a wheelchair that users can maneuver with thought alone.

Toyota has developed the wheelchair in collaboration with researchers in Japan. The system analyzes brain wave data using signal-processing technology and delivers neuro-feedback to the driver.

Brain wave-detecting technology, or electroencephalography (EEG), isn't new. In layman's terms, a device, usually a cap wired with sensors, detects a person's brain waves. That information is analyzed by a computer and applied to the device in question. Scientists have pursued the technology for decades, but have had difficulty achieving short response times, explains the Associated Press.

Toyota's mind-controlled wheelchair, however, has what appears to be the quickest response time yet: 125 milliseconds, or 125 thousandths of a second. The user can almost instantly steer right, left, and forward. To stop, the person in the chair must puff up a cheek, a motion that's then detected by the headpiece.

Because of this quick response time, plans are under way to turn the wheelchair into a commercial health care product. The most practical use would be for rehabilitation patients who have been paralyzed, suffered a stroke, or have other conditions that hinder their muscle control. So far, the research has centered on brain waves related to imaginary hand and foot control. However, Toyota hopes the system could ultimately be applied to brain waves generated by emotions.

Originally posted at Crave

After a six-year effort, the prototype of a new solar-powered aircraft was unveiled at a Swiss airfield on Friday by its future pilots and promoters Bertrand Piccard and André Borschberg.

Dubbed the Solar Impluse HB-SIA, the airplane is designed to fly both day and night without the need for ...

The Delta 4, equipped with two strap-on solid-fuel boosters, ignited with a rush of flame and smoke at 6:51 p.m. EDT and quickly climbed away from launch complex 37 at the Cape Canaveral Air Force Station, arcing to the east and accelerating toward orbit.

"Three, two, one, and liftoff of the Delta 4 rocket with GOES-O, enhancing quality and reliability of the weather satellite for the forecaster," said NASA launch commentator George Diller.

A United Launch Alliance Delta 4 rocket carrying a new GOES weather satellite roars to life and blasts off from the Cape Canaveral Air Force Station.

(Credit: NASA TV)

It was the 10th flight of a United Launch Alliance Delta 4 rocket since 2002 and the second of three launches planned for this year.

A launch attempt Friday was called off because of thunderstorms and electrical activity near the Cape Canaveral Air Force Station. More of the same was on tap Saturday and forecasters initially predicted a 70 percent chance of a launch delay.

Thunderstorms rolled over the launch pad during fueling, but conditions improved as the afternoon wore on and after a 37-minute delay to allow a storm cell to move past to the south, United Launch Alliance proceeded with the countdown.

The Delta 4's first stage performed normally, boosting the vehicle to an altitude of about 90 miles before falling away four-and-a-half minutes after liftoff.

The rocket's second stage then lofted the spacecraft into an initial parking orbit before two additional firings needed to place the 7,000-pound GOES-O satellite into an elliptical transfer orbit with a high point of about 21,800 miles and a low point of 4,100 miles.

The satellite separated from the Delta's second stage on time at 11:12 p.m. Onboard thrusters will be used to put the spacecraft in its final circular orbit 22,300 miles above the equator. That milestone is expected July 8 and if all goes well, Boeing Space and Intelligence Systems will turn the satellite over to the government on July 18.

With space shuttle Endeavour in the foreground atop pad 39A at the Kennedy Space Center, a Delta 4 rocket takes off to deliver a new weather satellite to orbit.

(Credit: NASA TV)

The Geostationary Operational Environmental Satellite system provides the hemispheric views familiar from television weathercasts. Observations of the Atlantic Ocean, the Gulf of Mexico, and the East Coast are provided by the GOES-12 satellite--critical for hurricane tracking--with GOES-11 providing similar coverage of the the West Coast and the central Pacific Ocean past Hawaii.

GOES-O will be known as GOES-14 once at the station, joining the GOES-13 satellite, which was launched three years ago, as an orbital spare.

"GOES-O will provide another important operational asset to NOAA and will become part of the nation's infrastructure for both weather and environmental forecasting," said Steve Kirkner, GOES project manager at NASA.

Originally posted at The Space Shot

The space shuttle Endeavour on pad 39A after a June 17 launch scrub caused by a gaseous hydrogen leak where a vent line attaches to the external fuel tank.

(Credit: NASA)

A different sort of problem has cropped up for the shuttle Atlantis, just back from a successful mission to overhaul the Hubble Space Telescope. Sources say engineers recently discovered an astronaut work light attachment knob lodged between the inner pressure pane of cockpit window No. 5 and the back of an instrument panel housing.

The knob, used to mount a light on a bracket much like the knob on a tripod holds a camera, floated into a hard-to-see corner of the window area during the mission, when the crew cabin was pressurized to 14.7 pounds per square inch. It apparently got stuck between the inner window pane and the instrument panel housing when Atlantis returned to Earth and the cabin structure shrank slightly.

The knob is now firmly lodged against the inner pressure pane of window No. 5, the sources said. Because of uncertainty about whether the pane has been damaged, the knob must be removed--and the pane confirmed to be structurally sound--before Atlantis can fly again in November.

Originally posted at The Space Shot

The Aquasar supercomputer will be located at the ETH Zurich facility, and it will start operations next year, the partners said in ...