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NASA's Mars Exploration Rover Opportunity used its navigation camera to record this vista looking eastward across Endeavour Crater, with the rover's own shadow in the foreground.
Opportunity's Shadow and Endeavour Crater Vista
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NASA's Curiosity Mars rover targeted the laser of the Chemistry and Camera (ChemCam) instrument with remarkable accuracy for assessing the composition of the wall of a drilled hole and tailings that resulted from the drilling.
Accurate pointing by Curiosity
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NASA's Curiosity Mars rover targeted the laser of the Chemistry and Camera (ChemCam) instrument with remarkable accuracy for assessing the composition of the wall of a drilled hole and tailings that resulted from the drilling.
Accurate pointing by Curiosity
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The bright feature in this image might be the parachute from a 1971 Soviet Mars lander named Mars 3. The image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.
Possible Parachute From 1971 Soviet Mars Lander
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This set of images shows what might be hardware from the Soviet Union's 1971 Mars 3 lander, seen in a pair of images from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.
Could This Be the Mars Soviet 3 Lander?
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This diagram and the one at PIA16916 illustrate how the Dynamic Albedo of Neutrons (DAN) instrument on NASA's Curiosity Mars rover detects hydrogen in the ground beneath the rover.
Physics of How DAN on Curiosity Checks for Water, Part 2
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This diagram and the one at PIA16917 illustrate how the Dynamic Albedo of Neutrons (DAN) instrument on NASA's Curiosity Mars rover detects hydrogen in the ground beneath the rover.
Physics of How DAN on Curiosity Checks for Water, Part 1
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This graphic tracks the maximum relative humidity and the temperature at which that maximum occurred each Martian day, or sol, for about one-fourth of a Martian year, as measured by the Remote Environmental Monitoring Station (REMS) on NASA's Curiosity Mars rover.
Humidity in Gale Crater: Scant and Variable
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The Rover Environmental Monitoring Station (REMS) on NASA's Curiosity Mars rover has detected dozens of whirlwinds, or vortex events, causing brief dips in atmospheric pressure, and sometimes other measurable effects.
Whirlwind Detection by Curiosity in Gale Crater
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This pair of graphs shows about one-fourth of a Martian year's record of temperatures (in degrees Celsius) measured by the Rover Environmental Monitoring Station (REMS) on NASA's Curiosity rover.
Steady Temperatures at Mars' Gale Crater
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This graph shows about one-fourth of a Martian year's pattern atmospheric pressure at the surface of Mars, as measured by the Rover Environmental Monitoring Station on NASA's Curiosity rover.
Seasonal Pressure Curve Peaks at Gale Crater
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This diagram shows how materials analyzed by ChemCam during the first 100 Martian days of the mission (Aug. 5, 2012, to Nov. 16, 2013) differed with regard to hydrogen content (horizontal axis) and alkali (vertical axis).
Curiosity's ChemCam Analyzes Rocks, Soils and Dust
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The Chemistry and Camera (ChemCam) instrument on NASA's Curiosity Mars rover fired its laser 50 times at its onboard graphite target during the 27th Martian day, or sol, of the rover's work on Mars (Sept. 2, 2012).
Dust Detection by Curiosity's ChemCam
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This pair of images taken a few minutes apart show how laser firing by NASA's Mars rover Curiosity removes dust from the surface of a rock.
Curiosity's ChemCam Removes Dust
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This image shows the ratio of the argon isotope argon-36 to the heavier argon isotope argon-38, in various measurements.
Argon Isotopes Provide Robust Signature of Atmospheric Loss
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As the Sample Analysis at Mars (SAM) suite of instruments on NASA's Curiosity Mars rover heats a sample, gases are released (or "evolved") from the sample and can be identified using SAM's quadrupole mass spectrometer.
Major Volatiles Released from the Fourth 'John Klein' Portion
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This illustration shows the instruments and subsystems of the Sample Analysis at Mars (SAM) suite on the Curiosity Rover of NASA's Mars Science Laboratory Project.
The SAM suite
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This image shows the first holes into rock drilled by NASA's Mars rover Curiosity, with drill tailings around the holes plus piles of powdered rock collected from the deeper hole and later discarded after other portions of the sample had been delivered to analytical instruments inside the rover.
Dust from Mars Drilling: Tailings and Discard Piles (Raw Colors - Unannotated)
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This image shows the first holes into rock drilled by NASA's Mars rover Curiosity, with drill tailings around the holes plus piles of powdered rock collected from the deeper hole and later discarded after other portions of the sample had been delivered to analytical instruments inside the rover.
Dust from Mars Drilling: Tailings and Discard Piles (White Balanced - Unannotated)
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This image shows the first holes into rock drilled by NASA's Mars rover Curiosity, with drill tailings around the holes plus piles of powdered rock collected from the deeper hole and later discarded after other portions of the sample had been delivered to analytical instruments inside the rover.
Dust from Mars Drilling: Tailings and Discard Piles
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This sequence of seven images from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter shows wind-caused changes in the parachute of NASA's Mars Science Laboratory spacecraft as the chute lay on the Martian ground during months after its use in safe landing of the Curiosity rover.
Curiosity's Parachute Flapping in the Wind
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The Neutral Gas and Ion Mass Spectrometer (NGIMS) instrument, shown here at NASA's Goddard Space Flight Center in Greenbelt, Md., before its integration onto NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft.
MAVEN Neutral and Ion Mass Spectrometer
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An artist's concept of Comet Siding Spring (2013 A1) and Mars. Closest approach to Mars is on October 19, 2014.
A Comet Heads for Mars
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This view of Curiosity's left-front and left-center wheels and of marks made by wheels on the ground in the "Yellowknife Bay" area comes from one of six cameras used on Mars for the first time more than six months after the rover landed.
View From Camera Not Used During Curiosity's First Six Months on Mars
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This diagram illustrates the positions of Mars, Earth and the sun during a period that occurs approximately every 26 months, when Mars passes almost directly behind the sun from Earth's perspective.
Geometry of Mars Solar Conjunction
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