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A Twitter account for the Mars Reconnaissance Orbiter's High Resolution Imaging Experiment, at work at Mars since 2006, recently posted a picture of "barchan dunes" formed by the Red Planet's ...
Newly published research shows that hundreds of depressions on Mars' surface, known as "ghost dunes," could hold evidence of ancient life. The research, published in the Journal of Geophysical ...
Could pits hold evidence of ancient Mars life? Researchers just found hundreds of crescent-shaped depressions on the surface of the Red Planet. These pits likely used to be sand dunes — each one ...
Although it sounds like the title of a John Carter of Mars novel, ghost dunes were first discovered on Earth in 2016. They are formed when lava or other sediments seep into the base region of a ...
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NASA’s Mars Orbiter Captures ‘Kidney Bean’ Sand Dunes: What It Reveals About the Red PlanetRecent images from NASA’s Mars Orbiter unveiled a peculiar geological feature that has intrigued scientists and space enthusiasts alike: kidney bean-shaped sand dunes. These fascinating formations ...
Yes, astronomers have discovered dark sand dunes on Mars that resemble Morse code. But no, they don’t think little green men are trying to tell us something.
Lapotre says this is evidence that way back then, 3.7 billion years ago, Mars still had a thin wispy atmosphere, the very type needed to make these odd dunes. William Herkewitz Science ...
These are barchan dunes, the classic dune that forms in a flat landscape of limited sand and steady, one-directional winds. The rounded crest of the dune, a long, gentle slope, faces into the wind ...
Images from the Mars Reconnaissance Orbiter show dunes on Mars that have been fossilized and frozen in time. The dunes are likely the same as they were roughly one billion years ago, researchers say.
NASA released two new photos Tuesday of the terrain on Mars, with one showing sand dunes starting to defrost and shed carbon dioxide. The other featured a massive crater.
A gorgeous image showing sand dunes on Mars was released this week by NASA. In the picture, the dunes have an elongated crescent shape. Their shape is why they are known as "barchan dunes." Around ...
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