Image: Simulating Martian dust storms

September 21, 2016, European Space Agency
Credit: European Space Agency

Mars is a dusty place and you might not think it is surprising that we regularly see dust storms on its surface. But the phenomenon has puzzled scientists since the 1980s when experiments showed that typical wind speeds recorded on Mars are not strong enough to lift the dust.

Many theories have been suggested to explain the but few experiments have investigated them.

This experiment was designed by four students from the university of Duisberg-Essen in Germany as part of their thesis project. It will fly on ESA's parabolic flight campaign that offers repeated 20 seconds of weightlessness.

Inside the canister is a small wind channel filled with at to represent the atmosphere found on Mars. The canister spins like a centrifuge and recreates different levels of gravity – the faster it spins the heavier the contents will be. This experiment cannot be done on the ground because the team wants to recreate Mars gravity – around two thirds of gravity on Earth.

Explore further: Engineers consider how to collect dust from low-gravity surfaces

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cantdrive85
1 / 5 (1) Oct 06, 2016
But the phenomenon has puzzled scientists since the 1980s when experiments showed that typical wind speeds recorded on Mars are not strong enough to lift the dust.

It's a puzzle because they refuse to acknowledge the electrical aspect of the dust storms.

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