The rolling sand dunes of Mars captured by NASA’s Curiosity Rover
SCARS on the red planet's surface have baffled scientists for decades - but an explanation may lie in their recreation of Mars in a barrel.However, the spindly structures appear only on the planet's southern hemisphere.
According to the theory, sunlight heats the Martian soil when it shines through slabs of carbon dioxide ice that build up on the Martian surface each winter.As pressure builds, the Martian ice splinters, allowing the gas to escape. It travels upwards, carrying a stream of dark dust and sand that lands on the surface of the ice.scientists with the momentous task of proving it was possible.
The researchers chilled Martian soil simulant in a container submerged within a liquid nitrogen bath.
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