Mars! (Part 2)

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Re: Mars! (Part 2)
« Reply #1 on: May 23, 2020, 03:24:08 AM »


Here Mars' bedrock is exposed except where covered by sand dunes, as shot by NASA's Mars Reconnaissance Orbiter.
NASA



This image shows a set of pits, faults, and layers on Mars' western Valles Marineris.
NASA


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Re: Mars! (Part 2)
« Reply #3 on: May 23, 2020, 03:50:02 AM »


The Curiosity rover takes a selfie.
NASA



The team operating NASA's Curiosity Mars rover uses the Mars Hand Lens Imager (MAHLI) camera on the rover's arm to check the condition of the wheels at routine intervals.
NASA


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Re: Mars! (Part 2)
« Reply #4 on: May 23, 2020, 03:54:41 AM »


NASA's Curiosity rover successfully drilled a two-inch hole on May 20, 2018. It was the first rock sample captured by the drill since October 2016 when a mechanical issue took the drill offline.
NASA



More bedrock of an unnamed crater.
NASA


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Re: Mars! (Part 2)
« Reply #5 on: May 23, 2020, 04:01:42 AM »


An area of strange texture on the southern floor of what's known as Gale Crater.
NASA



The edge of a large deposit of wind-blown dust.
NASA


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Re: Mars! (Part 2)
« Reply #6 on: May 23, 2020, 04:03:11 AM »

How Mars Pictures Are Taken

The colorization in these Mars pictures is altogether pretty accurate. When the rover sends Mars pictures back to earth, each pixel in the image is coded in zeros and ones, this binary code is then translated into color and brightness once it's picked up by earth's deep space antennas.

"We're basically doing a more sophisticated version of 'Paint by Numbers' when we reconstruct the images," reported Eric De Jong, one of the team members responsible for processing photos of Mars.

The Mars pictures in the gallery above are shot by the Mars Reconnaissance Orbiter, which was launched from Cape Canaveral in 2005, and also from Mars' Curiosity Rover, which is the largest and most capable rover ever sent to Mars and was launched in 2011. Both devices arrived at the red planet about a year after their launch.

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Re: Mars! (Part 2)
« Reply #7 on: May 23, 2020, 04:09:32 AM »


Layered deposits in Uzboi Vallis, which sometimes occur in alcoves along the valley or below where tributaries enter it.
NASA



These shallow pits in ice of carbon dioxide are called "Swiss cheese terrain". There is also what might be an impact crater or collapsed pit beneath.
NASA


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Re: Mars! (Part 2)
« Reply #8 on: May 23, 2020, 04:14:45 AM »


An inverted river channel.
NASA



NASA's InSight lander placed a seismometer onto Mars on Dec. 19, 2018. This device measures ground motions like earthquakes, volcanic eruptions, and explosions. This is the first time a seismometer has ever been placed onto the surface of another planet.
NASA


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Republic Act 8485 (Animal Welfare Act of 1998, Philippines), as amended and strengthened by House  Bill 6893 of 2013--- violation means a maximum of P250,000 fine with a corresponding three-year jail term and a minimum of P30,000 fine and six months imprisonment

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Re: Mars! (Part 2)
« Reply #10 on: May 23, 2020, 04:23:21 AM »


The dark, smooth-surfaced object at the center of this Oct. 30, 2016, image was examined with laser pulses and discovered to be an iron-nickel meteorite.
NASA



Dunes within what's known as the Arkhangelsky Crater. The red bar is an artifact of NASA image processing.
NASA/JPL/University of Arizona


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Re: Mars! (Part 2)
« Reply #11 on: May 23, 2020, 04:29:33 AM »


The Korolev crater, a 50.6-mile wide crater just south of the northern polar cap. The crater is filled almost to the brim with pristine ice year-round.
ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO



One of millions of small craters that dot the Elysium Planitia region of Mars.
NASA


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Re: Mars! (Part 2)
« Reply #12 on: May 23, 2020, 04:34:46 AM »


The McLaughlin Crater, center, is a large impact crater.
NASA



This view from the Mast Camera (Mastcam) on NASA's Curiosity rover shows a hillside outcrop with layered rocks.
NASA


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Re: Mars! (Part 2)
« Reply #13 on: May 23, 2020, 04:42:04 AM »


A bird's-eye view of the Curiosity rover (the dot, left centered).
NASA



Mars' Northernmost Polar cap is not only a year-round fixture but ringed by sand dunes. In the winter and spring, the dunes are also frozen, covered by a seasonal cap of dry ice.
NASA


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Re: Mars! (Part 2)
« Reply #15 on: May 23, 2020, 04:50:01 AM »


Here are several smaller craters that formed on the floor of Saheki Crater, a 53-mile diameter impact crater north of Hellas Basin.
NASA



Here is one possible place where sand grains are produced on Mars today.
NASA


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Re: Mars! (Part 2)
« Reply #16 on: May 23, 2020, 04:54:01 AM »


The nodule in the center of this image from NASA's Curiosity Mars rover shows individual grains of sand.
NASA



This is a fresh, well-preserved landslide and a giant outflow channel carved by ancient floods.
NASA


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Re: Mars! (Part 2)
« Reply #17 on: May 23, 2020, 04:59:03 AM »


A carbon dioxide ice cap showing "spiders" which are the spider-like mounds that form when carbon dioxide ice below the surface heats up and releases.
NASA



This enhanced scene from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity shows the "Spirit Mound".
NASA


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Re: Mars! (Part 2)
« Reply #18 on: May 23, 2020, 05:05:07 AM »


The dark, stick-shaped features clustered on this Martian rock are about the size of grains of rice. The origin of the stick-shaped features is uncertain.
NASA



Large impact craters have central hills or mountains because the tremendous shock waves from the impact first compress the ground, then rebound.
NASA


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Republic Act 8485 (Animal Welfare Act of 1998, Philippines), as amended and strengthened by House  Bill 6893 of 2013--- violation means a maximum of P250,000 fine with a corresponding three-year jail term and a minimum of P30,000 fine and six months imprisonment