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Dark Striations Near Holmes Crater On Mars

© NASA/UA/HiRISE

Dark Striations Near Holmes Crater On Mars

Context Camera imagery reveals dark streaks extending east of minor crater rims within and around Holmes Crater.


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Exposed Fractured Bedrock in the Central Pit of a Crater On Mars

© NASA/HiRISE

Exposed Fractured Bedrock

This HiRISE image shows the central pit feature of an approximately 20-kilometer diameter complex crater in located at 304.480 degrees east, -11.860 degrees south, just north of the Valles Marineris.

The Floor Of Soffen Crater On Mars

The Floor Of Soffen Crater On Mars

Dr. Gerald A. Soffen (February 7, 1926 -- November 22, 2000) was a project scientist for the NASA's Viking program of Mars landers.


Curiosity Rover Sends A Picture Postcard From Mars

Curiosity Rover Sends A Picture Postcard From Mars

NASA's Curiosity rover captured a remarkable image from its most recent perch on the side of Mars' Mount Sharp.


Analysis Of Mars's Wind-induced Vibrations Sheds Light On The Planet's Subsurface Properties

Analysis Of Mars's Wind-induced Vibrations Sheds Light On The Planet's Subsurface Properties

Seismic data collected in Elysium Planitia, the second largest volcanic region on Mars, suggest the presence of a shallow sedimentary layer sandwiched between lava flows beneath the planet's surface.


A Scarp In The Arabia Region On Mars

A Scarp In The Arabia Region On Mars

Pictured here appears to be the edge of a blast radius of a large meteorite impact crater with smaller and more recent cratering interrupting its circumference.


Hematite-Rich Deposits in Capri Chasma On Mars

Hematite-Rich Deposits in Capri Chasma On Mars

Capri Chasma is located in the eastern portion of the Valles Marineris canyon system, the largest known canyon system in the Solar System.


Perseverance Rover Captures Flight by Mars Helicopter Ingenuity

Perseverance Rover Captures Flight by Mars Helicopter Ingenuity

Recently downlinked imagery of a September flight has allowed the rover imaging team to put together a video of rotorcraft performing to near-perfection.


Secondary Craters On Mars

Secondary Craters On Mars

This image of a southern mid-latitude crater was intended to investigate the lineated material on the crater floor.


A Martian Dust Avalanche

A Martian Dust Avalanche

Relatively dark slope streaks are common on steep dust-mantled slopes of Mars. When imaged under high sun illumination they appear to be just a dark stain without topographic relief.


Twin Of NASA's Perseverance Mars Rover Begins Terrain Tests

Twin Of NASA's Perseverance Mars Rover Begins Terrain Tests

OPTIMISM, the full-scale engineering model of Perseverance, begins a series of rigorous tests to assess the risk of potential driving hazards on the surface of the Red Planet.


Flow Structures In A Noctis Region Trough On Mars

Flow Structures In A Noctis Region Trough On Mars

Noctis Labyrinthus, "the labyrinth of the night," sits at the western end of the largest canyon of the solar system Valles Marineris.


Defrosting Of Martian Dunes With Large Gullies

Defrosting Of Martian Dunes With Large Gullies

The purpose of this observation is to image dunes where substantial gullies formed in the previous Mars winter (2013).


Polar Sand Dunes On Mars

Polar Sand Dunes On Mars

Mars has a vast sea of sand dunes in the high latitude region encircling its north polar cap, known as the North Polar erg. These dunes are made up of basalt and gypsum sand grains.


Sols 3294-3295: Extra Energy for Extraterrestrial Science!

Sols 3294-3295: Extra Energy for Extraterrestrial Science!

When the operations team logged on today, we were prepared to pick up where Monday's team had left off in Curiosity's ongoing drill campaign at Zechstein.


Layers In A Crater In Nilosyrtis On Mars

Layers In A Crater In Nilosyrtis On Mars

This impact crater in the Nilosyrtis region of Mars contains numerous layers exposed along its floor. These layers formed long after the impact event and are likely deposits of dust and ice.


Light-Toned Layering In A Noctis Labyrinthus Pit On Mars

Light-Toned Layering In A Noctis Labyrinthus Pit On Mars

Understanding both the spatial and temporal distribution of hydrated (water-bearing) minerals on Mars is essential for deciphering the aqueous history of the planet.


New Curtin Study Pinpoints Likely Home Of Martian Meteorites

New Curtin Study Pinpoints Likely Home Of Martian Meteorites

Curtin University researchers have pinpointed the likely origin of a group of meteorites ejected from Mars, using a machine learning algorithm that analyses high-resolution planetary images.



More top stories from December.