A billion pixel view from Curiosity.
A billion pixel view of Mars from Curiosity.
Tag: Mars
“Now I dream of snowboarding down a Martian sand dune on a block of dry ice.”
Opportunity, now moving to another target 1.5 miles away, has found evidence of drinkable water on Mars.
Opportunity, now moving to another target 1.5 miles away, has found evidence that some of the water on Mars was once drinkable.
Before trekking off last month, Opportunity used a grinder to scrape away the top layer of a light-colored rock for a peek inside. The rock was so lumpy and covered with crud that it took the rover several tries to crack open its secrets. Unlike other rocks that Opportunity inspected during the past nine years, the latest told a different story: It contained clay minerals, a sign that water coursed through it, and formed in an environment that might have been suitable for microbes. Previous rock studies by Opportunity pointed to a watery past on Mars, but scientists said the water was acidic.
“This is water you can drink,” said mission chief scientist Steve Squyres of Cornell University.
More details here, noting that this water comes from an earlier time on Mars, when the planet’s environment was more benign.
So the rover has now sampled both sides of the momentous planetary transition from a wet, benign environment more than 4 billion years ago to a colder, drier, harsher one since then
The scientists operating Curiosity have decided it is time to begin the trek up Mt. Sharp
The scientists operating Curiosity have decided it is time to begin the trek up Mt. Sharp.
In celebration of its tenth year in orbit, scientists running the Mars Express mission have released global mineral maps of Mars.
In celebration of its tenth year in orbit, scientists running the Mars Express mission have released global mineral maps of Mars. With video.
The unique atlas comprises a series of maps showing the distribution of minerals formed in water, by volcanic activity, and by weathering to create the dust that makes Mars red. They create a global context for the dominant geological processes that sculpted the planet we see today.
Take a look at the video. It is fascinating to see where these minerals concentrate.
A detailed analysis of the pebbly rocks that Curiosity traveled past last year have confirmed that this area was once a streambed.
A detailed analysis of the pebbly rocks that Curiosity traveled past last year have confirmed that this area was once a streambed.
Data collected by a radiation sensor inside Curiosity during its journey to Mars suggest that it will be possible to build ships with sufficient shielding to protect humans on such a voyage.
Data collected by a radiation sensor inside Curiosity during its journey to Mars suggest that it will be possible to build ships with sufficient shielding to protect humans on such a voyage.
Zeitlin and his colleagues analysed the radiation recorded by a small detector on board the craft that was active during most of the 253-day cruise to Mars. Although the craft was not uniformly protected from exposure to Galactic cosmic rays and charged particles from the Sun, the MSL’s shielding on average approximated that of human space-flight missions. ….
At NASA Langley, Thibeault and her colleagues are testing new types of shielding that consist of hydrogenated materials. Hydrogen offers protection because it breaks apart heavy charged particles without creating secondary particles that add to the radiation dose, she notes. One of the materials under investigation, hydrogen-filled boron nitride nanotubes, looks particularly promising because it is robust and lightweight enough to double as both the skin of a spacecraft and its shield. Using separate materials to build and shield a craft would add too much weight to a Mars-bound mission, Thibeault notes.
Thibeault says that she is heartened by the new study because she had feared that the radiation dose might be considerably higher. The results suggest “that this is a problem we can solve”, she adds.
The accumulating dents and dings on Curiosity’s wheels.
The accumulating dents and dings on Curiosity’s wheels.
The Mars rover Opportunity has now traveled farther than any other American rover, including the Apollo 17 rover on the Moon.
The Mars rover Opportunity has now traveled farther than any other American rover, including the Apollo 17 rover on the Moon.
The team operating NASA’s Mars Exploration Rover Opportunity received confirmation in a transmission from Mars today that the rover drove 263 feet (80 meters) on Thursday, bringing Opportunity’s total odometry since landing on Mars in January 2004 to 22.220 statute miles (35.760 kilometers). … The international record for driving distance on another world is still held by the Soviet Union’s remote-controlled Lunokhod 2 rover, which traveled 23 miles (37 kilometers) on the surface of Earth’s moon in 1973.
We have to once again remind ourselves that the roving part of Opportunity’s mission was originally only supposed to last 90 days, not 9 years.
Astronauts today spotted an ammonia coolant leak in ISS’s left-side power truss.
Astronauts today spotted an ammonia coolant leak in ISS’s left-side power truss.
They are monitoring it, but have so far not made any decision about what to do about it, if anything.
This problem is a perfect illustration of why a flight to Mars is more complicated in terms of engineering than first appears. We might at this time be able to build that interplanetary spaceship (with the emphasis on the word “might”) but could its passengers maintain it millions of miles from Earth? Right now I’d say no. We need to learn how to build an easily repaired and self-sufficient spaceship. ISS is neither. It is also not a very good platform for testing this kind of engineering.
Update: The astronauts on ISS are preparing for a possible spacewalk on Saturday to deal with the problem. More details here.
Predicting snowfall on Mars.
A new high resolution image from Mars Express illustrates the violent landslides and lava flows off the eastern flank of Olympus Mons, the solar system’s largest volcano.
A new high resolution image from Mars Express illustrates the violent landslides and lava flows off the eastern flank of Olympus Mons, the solar system’s largest volcano.
Opportunity is out of standby mode and has resumed normal operations.
Good news: Opportunity is out of standby mode and has resumed normal operations.
Opportunity went into safe mode during the communications pause in April when the Sun was between Mars and the Earth.
Opportunity went into safe mode during the communications pause in April when the Sun was between Mars and the Earth.
Mission controllers for Opportunity, which landed on Mars in January 2004, first learned of the issue on Saturday (April 27). On that day, the rover got back in touch after a nearly three-week communication moratorium caused by an unfavorable planetary alignment called a Mars solar conjunction, in which Mars and Earth are on opposite sides of the sun. The Opportunity rover apparently put itself into standby on April 22 after sensing a problem during a routine camera check, mission managers said.
It sounds like this is a recoverable problem and the rover will be back in operation momentarily. Stay tuned.
Dennis Tito’s project already has hundreds of volunteers.
Want to go to Mars? You better get in line. Dennis Tito’s project already has hundreds of volunteers.
I still have doubts whether this non-private company can pull this off by 2018, but only by 2018. Given a bit more time and research, the obstacles for sending two humans on a fly-by of Mars can easily be overcome.
New calculations have significantly reduced the chance that a comet will smash into Mars in 2014.
New calculations have significantly reduced the chance that a comet will smash into Mars in 2014.
Has Mars Reconnaissance Orbiter imaged the remains of a Soviet Mars lander from 1971?
Has Mars Reconnaissance Orbiter imaged the remains of a Soviet Mars lander from 1971?
New data from Curiosity has further confirmed that the atmosphere of Mars was once much thicker, and that the remaining atmosphere is still dynamic.
New data from Curiosity has further confirmed that the atmosphere of Mars was once much thicker, and that the remaining atmosphere is still dynamic.
The two most interesting bits of data is that the temperature has been steadily climbing in Gale Crater, and that the humidity has shown significant shifts, depending on the rover’s location as it has traveled through the crater.
Austria goes to Mars.
Curiosity marks the return to full science operations by producing a new panorama.
Curiosity marks the return to full science operations by producing a new panorama.