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mars

Curiosity finds rocky remnant of ancient martian streambed

NASA's Curiosity Mars rover, slowly nearing its initial science destination where multiple types of terrain come together, has found outcrops of conglomerate rocks made up of eroded gravels that scientists believe were transported across the floor of Gale Crater by a "vigorous" flow of ankle- to hip-deep water in the distant past, scientists said today.

It's the first observation of its kind on Mars, showing that an alluvial fan photographed from orbit was, as suspected, formed by the action of flowing water that entered the crater through a 100-foot-deep, 2,000-foot-wide channel dubbed Peace Vallis that … Read more

Curiosity Mars rover poised for first 'hands-on' geology

More than half the way to its first major scientific destination, the Curiosity Mars rover will pause a few days to perform the mission's first hands-on geology, using instruments on the vehicle's robot arm to photograph and chemically assess an intriguing pyramid-shaped rock, project managers said Wednesday.

Data from the arm-mounted Alpha Particle X-ray Spectrometer, or APXS, will be compared with remote sensing data from another instrument known as Chemcam that uses a powerful laser to vaporize tiny sections of a target's surface. Debris from the laser strike is measured remotely to help determine chemical composition.

"… Read more

Curiosity snaps photo of partial solar eclipse -- from Mars

Seeing as Mars is much further away from the sun than Earth is, a solar eclipse would look different than it does here. Curiosity -- NASA's Mars rover -- caught an image of what this phenomenon looks like from the Red Planet.

While somewhat less impressive than what a solar eclipse looks like from Earth, appearing as a tiny black blip on a small white blip, this photo is still fascinating. Mars has two moons that orbit it, so the moon seen in this image is called Phobos.

To get this photo, Curiosity -- ever the clever rover -- … Read more

Robot arm in good shape, Mars rover set to resume trek

Engineers testing the Curiosity Mars rover are wrapping up a series of robot arm calibration and motion tests before resuming a slow trek toward a nearby rock formation this weekend, on the lookout for a suitable stone to reach out and touch in an initial round of "contact science," officials said today.

The goal is to make sure the arm can precisely position a sensitive camera and an X-ray spectrometer as required for "hands on" geological observations, including eventual operations with a sample scoop and a compact drill. With the tests nearly complete, the arm has … Read more

Peek under the skin of Predator, Alien, and Mogwai

Chances are you had to dissect a frog in high school biology class. What if it had been a Mogwai instead? Artist Bradwick J. McGinty III has created a bizarre mashup of science fiction creatures and vintage anatomical drawings imagining what fictional beasts look like under their skin.

The Mogwai doesn't look as cute and cuddly as usual in this form. The illustration hints at its sinister transformation into a Gremlin through the care and feeding instructions at the bottom of the drawing. Better keep an eye on those feeding times!… Read more

Curious about Curiosity? Here's the latest from Mars

NASA's Curiosity Mars rover has driven some 357 feet from its landing site on the floor of Gale Crater -- 269 feet as a martian crow might fly -- on its way to an intriguing area about five times farther away where three different types of rock come together. The rover continues to chalk up near perfect scores during extended checkout operations, with detailed robot arm tests on tap over the next week or so.

"We've been on the surface of Mars for about a month and Curiosity continues to be very healthy and continues to surprise … Read more

Mars panoramic skirt: Wrap a rover around your waist

I have a space dream. I've been invited to the NASA prom by Mohawk Guy. He's going to pick me up in the Mars Curiosity rover. What on earth am I going to wear? I'd better head over to Etsy and order a Mars panoramic skirt.

Etsy seller Go Chase Rabbits has a huge line of geek chic skirts, but the Mars rover panoramic is especially impressive. … Read more

Zoom around in this massive Mars mosaic

When Curiosity touched down on Mars earlier this month, we Earthlings experienced an out of this world multimedia experience showing off amazing angles of the Red Planet. A few days ago, NASA released perhaps the best Mars panorama yet, which simply blows away the rest, at least in terms of size. … Read more

IFA 2012: Big reveals for Sony, Samsung

Time to learn German for Wednesday's tech news roundup:

Tons of devices being unveiled at the IFA trade show in Berlin. The highlights from Wednesday include:

• Sony releases its first 4K TV, the 84-inch XBR-84X900. No official word on cost or availability, but expect to pay close to $30,000 to own one. Here's an explainer on what a 4K TV is, but no need to worry about new formats just yet. Afterall, what movies do you own in 4K? • Sony showed the Xperia S tablet, available Sept. 7 starting at $400. It has several TV-ready features, Android
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Curiosity rover captures stunning vistas of rugged Mars

NASA's Curiosity rover, giving earthlings a glimpse of its ultimate target, has beamed back spectacular high-resolution photos of the rugged foothills of Mount Sharp, showing a khaki-colored landscape marked by towering hills, gaping canyons, and sand dunes reminiscent of the American Southwest, scientists said Monday.

In one view, the rover photographed a scientifically intriguing transition from relatively flat rock beds made up of water-influenced minerals to steeply inclined unhydrated layers marking a dramatic, geologically sudden discontinuity that signals a major change in martian history.

But for sheer visual impact, it was a zoomed-in view of the Mount Sharp foothills … Read more