Curiosity update: ‘Bonanza King’

Sol 721, August 16, 2014, update on Curiosity from USGS Scientist Ryan Anderson: “We’re gearing up for our fourth drill hole on Mars! For the sol 721 plan, we have a long block of time dedicated thoroughly analyzing the drill target….” [More at link]

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HRSC: Craters within the Hellas basin

Craters_within_the_Hellas_Basin_node_full_image_2Scarring the southern highlands of Mars is one of the Solar System’s largest impact basins: Hellas, with a diameter of 2300 km and a depth of over 7 km. Hellas is thought to have formed between 3.8 and 4.1 billion years ago, when a large asteroid hit the surface of Mars…. Hellas has been subject to modification by the action of wind, ice, water and volcanic activity. Impact craters have also since pock-marked this vast basin floor… [More at link]

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THEMIS: Channel at night

Channel at night (THEMIS_IOTD_20140818)THEMIS Image of the Day, August 18, 2014. Near the bottom of this nighttime IR image are several channels. The dusty channel floors are darker (colder) than the rocky walls.

More THEMIS Images of the Day by geological topic.

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HiRISE: Glaciation at the eastern Hellas margin

ESP_036947_1390Hellas Crater in the ancient highlands contains some of the clearest evidence on Mars for glacial processes. This image, on the eastern margin of the giant impact crater, shows a number of features consistent with glaciation. There are roughly north-south running ridges and troughs which mark the deposition of sediment called moraine underneath or beside a glacier… [More at link]

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Curiosity prepares for fourth rock drilling

Pale rocks in foreground include Bonanza King outcropThe team operating NASA’s Curiosity Mars rover has chosen a rock that looks like a pale paving stone as the mission’s fourth drilling target, if it passes engineers’ evaluation. They call it “Bonanza King.” It is not at the “Pahrump Hills” site the team anticipated the rover might reach by mid-August. Unexpected challenges while driving in sand prompted the mission to reverse course last week after entering a valley where ripples of sand fill the floor and extend onto sloping margins. However, the new target outcrop’s brightness and its position… [More at link]

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Curiosity update: ‘Looking for clouds’

Sol 720, August 14, 2014, update on Curiosity from MSL Scientist Lauren Edgar: “Today is a restricted sol, so we are planning a number of untargeted observations. Curiosity should have bumped on Sol 719 to put the condensed…” [More at link] 

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Opportunity: Sol 3753, August 14, 2014

1F461364542EFFCHBSP1110R0M1The rover’s front Hazcam catches the arm checking out the debris at the foot of Wdowiak Ridge.

 

 

 

 

 

 

1M461364467EFFCHBSP2955M2M1And what the Microscopic Imager saw.

Opportunity raw images, its latest mission status, and a location map.

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Opportunity’s surroundings after 25 miles on Mars

PIA18595_modestThis panorama combines several images from the navigation camera on NASA’s Mars Exploration Rover Opportunity to show the rover’s surroundings after surpassing 25 miles (40.23 kilometers) of total driving on Mars. The component images were taken on July 29, 2014, during the 3,737th Martian day, or sol, of Opportunity’s work on Mars, prior to that sol’s drive. The rover’s location was the point it reached with a drive of 157 feet (48 meters) on Sol 3735 (July 27, 2014), which brought Opportunity’s total odometry to 25.01 miles (40.25 kilometers)… [More at link]

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Curiosity update: ‘Second anniversary webcast’

Sol 719, August 13, 2014, update on Curiosity from MSL Scientist Lauren Edgar: “Curiosity is at the northern end of Hidden Valley, and we are preparing for condensed drilling on the target Bonanza King. Condensed drilling means that… [More at link]

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THEMIS: Polar layers

North polar Ice cap layers (THEMIS_IOTD_20140815)THEMIS Image of the Day, August 15, 2014. This VIS image shows the layering of the north polar cap.

More THEMIS Images of the Day by geological topic.

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