Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
Jam packed issues filled with the latest cutting-edge research, technology and theories delivered in an entertaining and visually stunning way, aiming to educate and inspire readers of all agesAn illustration shows an misty atmosphere around the Red Planet Mars. Could this envelop of gas have"gone to ground" billions of years ago?New research suggests the atmosphere of Mars may be hiding in plain sight, having been absorbed by minerals in the Red Planet's clays.
On Earth, smectites are created by the movement of tectonic plates upon which the continents sit. This tectonic activity also lifted smectites to our planet's surface. When exposed to the surface, this folded clay mineral drew in carbon dioxide, removing this greenhouse gas from the atmosphere and helping our planet cool down over millions of years.
Using this model, the scientists found that over the course of a billion years, water could have seeped through the crust to react with a magnesium-iron silicate mineral abundant in igneous rock called"." This mineral is rich in iron, which the oxygen in water would have bound itself to in the process, releasing hydrogen. This oxidized iron may have helped to give
"These smectite clays have so much capacity to store carbon," researcher lead author and MIT EAPS graduate Joshua Murray said in the statement.
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