Related topics: mars

Marks on Martian dunes may be tracks of dry-ice sleds

(Phys.org) —NASA research indicates hunks of frozen carbon dioxide—dry ice—may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go.

Geologists discover new class of landform -- on Mars

(PhysOrg.com) -- An odd, previously unseen landform could provide a window into the geological history of Mars, according to new research by University of Washington geologists.

Scientists Investigate Cause of 'Singing Dunes'

(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed by hand, it emits ...

Curiosity rover's sand-dune studies yield surprise

Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere today provides new clues about the atmosphere's history.

Mars panorama from Curiosity shows petrified sand dunes

Some of the dark sandstone in an area being explored by NASA's Curiosity Mars rover shows texture and inclined bedding structures characteristic of deposits that formed as sand dunes, then were cemented into rock.

Putting an airplane on a distant moon

(PhysOrg.com) -- In addition to its rivers, oceans, mountains, sand dunes and winds, Saturn’s moon Titan may someday share another similarity with Earth: airplanes.

NASA image: Reading the alphabet from space

NASA's Earth Observatory has tracked down images resembling all 26 letters of the English alphabet using only NASA satellite imagery and astronaut photography. In this image, the letter 'Y' is for yardangs, elongated landforms ...

Physics of 'booming' and 'burping' sand dunes revealed

Avalanching sand from dune faces in Death Valley National Park and the Mojave Desert can trigger loud, rumbling "booming" or short bursts of "burping" sounds—behaving as a perfectly tuned musical instrument.

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