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.
Scientists have discovered geological evidence that the gravitational interaction between Mars and Earth drives a 2.4-million-year cycle of deep-sea circulation and global warming.sees deep currents wax and wane, and this connects to periods of increased solar energy and a warmer climate.
"We were surprised to find these 2.4-million-year cycles in our deep-sea sedimentary data," Dutkiewicz said."There is only one way to explain them: They are linked to cycles in the interactions of Mars and Earth orbiting the Study co-author Dietmar Müller, also of the University of Sydney, explained how the orbits of Earth and Mars can cause shifts in the oceans.interfere with each other, and this interaction, called a resonance, changes planetary eccentricity, a measure of how close to circular their orbits are," he said.from the sun, thus creating warmer climates. The 2.
These eddies may have helped offset ocean stagnation, which many scientists predict would follow the slowing of Atlantic meridional overturning circulation . AMOC is a vast system of ocean currents that carries warm water from the tropics to the North Atlantic Ocean. It is responsible for driving the"We know there are at least two separate mechanisms that contribute to the vigor of deep-water mixing in the oceans.
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