Mars in Hi Def

NASA has just released thousands of pictures from mars. The images are giving us a new, high-resolution view of the red planet. The orbiter has given scientists more data than all the other past and current missions combined.

11 photos
Getty Images
In this enhanced-color image are dunes within the largest collection of dunes on Mars, Olympia Undae, near the margin of the north polar deposits, Planum Boreum. This section of Olympia Undae is particularly interesting because the dunes are rich in gypsum, a mineral that forms in the presence of water.
Image: NASA/JPL/University of Arizona
This image shows a part of the Cerberus Fossae, a system of aligned fissures east of Elysium. The fissures were probably the source of floods of both water and lava. The most recent event was a massive outpouring of basaltic lava (a fluid-type of lava like that commonly erupted by Kilauea in Hawaii), which produced a host of volcanic features in the region.
Norwalk Police
Gullies at the Edge of Hale Crater. Several years ago gullies carved into hill-slopes and the walls of impact craters like the ones pictured here were discovered. Scientists are excited to study these features because, on Earth, they usually form through the action of liquid water - long thought to be absent on the Martian surface. Whether gullies form under today's cold dry conditions is a major question that planetary scientists are trying to answer.
This image features a series of long and somewhat linear ridges in the Huo Hsing Vallis region of Mars. These ridges appear to be forming as a result of erosion of the surrounding rock. The ridges themselves are likely stronger that the surrounding rock and therefore stay behind as the remainder of the rock is whittled away, possibly by flowing water, blowing wind or a combination of both.
NBC Bay Area
South Pole Residual Cap Monitoring and Change Detection
NASA/JPL/University of Arizona
This image shows the changing seasonal frost patterns on Louth Crater, located at latitude 70 N. This crater contains a mound covered by water frost that persists throughout the year, which is unusual for this latitude.
NBC Washington
This dune field in Aonia Terra shows sand dunes with a variety of morphologies. These complex shapes often indicate that the dominating winds change direction, either over time or from one location to the next. Many of the dune fields in this region of Mars are banked up against topographic obstacles such as crater rims. The location of the dunes within impact craters gives an indication of the average regional winds, while details such as slip-face orientations and superposed ripples are controlled by the present day local winds.
Victoria Crater in the Meridiani Planum region of Mars. The camera pointing was 22 degrees east of straight down, yielding a view comparable to looking at the landscape out an airplane window.
NASA/JPL/University of Arizona
This image from NASA’s Mars Reconnaissance Orbiter shows gully channels in a crater in the southern highlands of Mars.The gullies emanating from the rocky cliffs near the crater’s rim (upper left) show meandering and braided patterns typical of water-carved channels.
Bob Redell/NBC Bay Area
Mars' seasonal cap of carbon dioxide ice has eroded many beautiful terrains as it sublimates (goes directly from ice to vapor) every spring. In the region where the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter took this image, we see troughs that form a starburst pattern.
NASA/JPL/University of Arizona
Earth and Moon as seen from Mars. The High Resolution Imaging Science Experiment (HiRISE) camera would make a great backyard telescope for viewing Mars, and we can also use it at Mars to view other planets
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