MarsNews.com
June 24th, 2014

Aluminum-Bearing Site on Mars Draws NASA Visitor NASA

With its solar panels their cleanest in years, NASA’s decade-old Mars Exploration Rover Opportunity is inspecting a section of crater-rim ridgeline chosen as a priority target due to evidence of a water-related mineral.
Orbital observations of the site by another NASA spacecraft, Mars Reconnaissance Orbiter, found a spectrum with the signature of aluminum bound to oxygen and hydrogen. Researchers regard that signature as a marker for a mineral called montmorillonite, which is in a class of clay minerals called smectites. Montmorillonite forms when basalt is altered under wet and slightly acidic conditions. The exposure of it extends about 800 feet (about 240 meters) north to south on the western rim of Endeavour Crater, as mapped by the orbiter’s Compact Reconnaissance Imaging Spectrometer for Mars (CRISM).
“It’s like a mineral beacon visible from orbit saying, ‘Come check this out,'” said Opportunity Principal Investigator Steve Squyres, of Cornell University, Ithaca, New York.

June 17th, 2014

Mars Technologies Spawn Durable Wind Turbines NASA

In the early 1990s, NASA was planning for an extended stay on Mars, and Bubenheim and his Ames colleagues were concentrating efforts on creating a complete ecological system to sustain human crewmembers during their time on the Red Planet.
“The main barrier to developing such a system,” he says, “is energy.” Mars has no power plants, and a regenerative system requires equipment that runs on electricity to do everything from regulating humidity in the atmosphere to monitoring the quality of recycled water. The Ames group started looking at maximizing energy use efficiency and alternative methods to make power on a planet that is millions of miles away from Earth. They turned to a hybrid concept combining two renewable sources: wind and solar power technologies. Large surface temperature swings on Mars produce windy conditions; extreme examples are the frequent dust storms that can block nearly all sunlight. “When there’s a dust storm and the wind is blowing, the wind system could be the dominant power source. When the wind is not blowing and the sun is shining on the surface, photovoltaics could be the dominant source,” says Bubenheim.

March 24th, 2014

The NASA Z-2 Suit Voting Now Open NASA

After the positive response to the Z-1 suit’s visual design we received, we wanted to take the opportunity to provide this new suit with an equally memorable appearance. The cover layer of a prototype suit is important as it serves to protect the suit against abrasion and snags during the rigors of testing. With the Z-2, we’re looking forward to employing cover layer design elements never used in a spacesuit before. The designs shown were produced in collaboration with ILC, the primary suit vendor and Philadelphia University. The designs were created with the intent to protect the suit and to highlight certain mobility features to aid suit testing. To take it a step further, we are leaving it up you, the public, to choose which of three candidates will be built. Voting is open through April 15, 2014 at 11:59pm EDT.

March 20th, 2014

Studying the Solar Wind on Mars NASA

Robert Lin, the late director of the Space Sciences Laboratory, discusses how NASA’s MAVEN spacecraft will study the interaction of the Martian atmosphere with the solar wind. MAVEN’s findings will reveal how Mars lost its early atmosphere, turning it from a warm, wet planet into thecold, dry one that we see today.

March 19th, 2014

NASA Orbiter Finds New Gully Channel on Mars NASA

A comparison of images taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter in November 2010 and May 2013 reveal the formation of a new gully channel on a crater-wall slope in the southern highlands of Mars. Gully or ravine landforms are common on Mars, particularly in the southern highlands. This pair of images shows that material flowing down from an alcove at the head of a gully broke out of an older route and eroded a new channel. The dates of the images are more than a full Martian year apart, so the observations did not pin down the Martian season of the activity at this site. Before-and-after HiRISE pairs of similar activity at other sites demonstrate that this type of activity generally occurs in winter, at temperatures so cold that carbon dioxide, rather than water, is likely to play the key role.

February 14th, 2014

Mars Rover Heads Uphill After Solving ‘Doughnut’ Riddle NASA

Researchers have determined the now-infamous Martian rock resembling a jelly doughnut, dubbed Pinnacle Island, is a piece of a larger rock broken and moved by the wheel of NASA’s Mars Exploration Rover Opportunity in early January.
Only about 1.5 inches wide (4 centimeters), the white-rimmed, red-centered rock caused a stir last month when it appeared in an image the rover took Jan. 8 at a location where it was not present four days earlier.
More recent images show the original piece of rock struck by the rover’s wheel, slightly uphill from where Pinnacle Island came to rest.

December 19th, 2013

NASA Awards Launch Services Contract for InSight Mission NASA

NASA has selected United Launch Services LLC of Centennial, Colo., to launch the Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport (InSight) mission to Mars.
InSight will launch in March 2016 aboard an Atlas V 401 rocket from Space Launch Complex 3E at Vandenberg Air Force Base in California.
The total cost for NASA to launch InSight is approximately $160 million, including spacecraft processing, payload integration, tracking, data and telemetry and other launch support requirements.
InSight is scheduled to land on Mars in September 2016 to begin a two-year science mission.

November 26th, 2013

Historic Demonstration Proves Laser Communication Possible NASA

In the early morning hours of Oct. 18, NASA’s Lunar Laser Communication Demonstration (LLCD) made history, transmitting data from lunar orbit to Earth at a rate of 622 Megabits-per-second (Mbps). That download rate is more than six times faster than previous state-of-the-art radio systems flown to the moon.
“It was amazing how quickly we were able to acquire the first signals, especially from such a distance,” said Don Cornwell, LLCD manager. “I attribute this success to the great work accomplished over the years by the Massachusetts Institute of Technology Lincoln Laboratory (MIT/LL) and their partnership with NASA.”

August 6th, 2013

NASA’s Curiosity First Anniversary on Mars NASA

NASA’s Curiosity rover marks one year on Mars and has already achieved its main science goal of revealing ancient Mars could have supported life. The mobile laboratory also is guiding designs for future planetary missions.
“Successes of our Curiosity — that dramatic touchdown a year ago and the science findings since then — advance us toward further exploration, including sending humans to an asteroid and Mars,” said NASA Administrator Charles Bolden. “Wheel tracks now, will lead to boot prints later.”

July 9th, 2013

NASA Discusses Mars 2020 Plans in July 9 Teleconference NASA

NASA will host a media teleconference at noon PDT (3 p.m. EDT) on Tuesday, July 9 to provide details about a report that will help define science objectives for the agency’s next Mars rover.
The report, prepared by the Mars 2020 Science Definition Team (SDT) NASA appointed in January, is an early, crucial step in developing the mission and the rover’s prime science objectives.

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