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Volunteer Writer: Akshit Bagga
Email: abagga@umassd.edu
Scientists have evidence that gravitational forces presented 140 million miles away on Mars are influencing the oceans on Earth.
During a recent quest, scientists aimed to investigate our planet’s past and deep ocean currents. They analyzed sediments drilled from hundreds of deep-sea sites over the past five decades. As per the findings published in the research journal Nature Communications, the sediments of these deep-sea currents “weakened and strengthened over 2.4-million-year climate cycles.”
The reason behind this is the interaction between the orbit rotation of Earth and Mars around the Sun.
Researchers have clarified that the phenomenon between these two planets is known as resonance which is when any two celestial bodies orbiting around the Sun constantly apply a “pull and push” force. In the space industry, this is sometimes referred to as the concept of harmonization between distant planetary bodies.
This phenomenon can also change the orbit size, the distance between two planets, and the nature of revolutions around the Sun. Co-author Professor Dietmar Müller from the University of Sydney stated, “The gravity fields of the planets in the solar system interfere with each other, and this interaction, called a resonance, changes planetary eccentricity, a measure of how close to circular their orbits are.”
The result of this on our planet Earth is warmer climates. Earth has received a higher number of incoming radiations from the Sun, which has led to soaring temperatures in the past years. These high temperatures in the “2.4-million-year cycle contained ‘breaks’ in the deep-sea records,” which led to more vigorous ocean currents.
These ocean currents (eddies) are called “giant whirlpools.” They can have depths extending to the tip of the ocean bed, resulting in erosion over the sea floor and causing gradual sedimentations.
One of the authors behind the study, Adriana Dutkiewicz, a geoscience researcher at the University of Sydney, said, “We were surprised to find these 2.4-million-year cycles in our deep-sea sedimentary data. There is only one way to explain them: they are linked to cycles in the interactions of Mars and Earth orbiting the Sun.”
Scientists could map these strong eddies using the “breaks” in the sediments they analyzed. Using the satellite data of changes in ocean circulation, which was recorded over time, scientists could image the changes into pictures and dig deeper into what may have occurred within the past million years.
Dutkiewicz mentioned, “Our deep-sea data spanning 65 million years suggest that warmer oceans have more vigorous deep circulation. This will potentially keep the ocean from becoming stagnant even if Atlantic Meridional Overturning Circulation slows or stops altogether.”
Professor Müller added, “We know there are at least two separate mechanisms that contribute to the vigor of deep water mixing in the oceans. AMOC is one of them, but deep ocean eddies seem to play an important role in warm climates for keeping the ocean ventilated. Of course, this would not have the same effect as AMOC in terms of transporting water masses from low to high latitudes and vice-versa.”
Time and again, science has fascinated humankind. Researchers are trying to dig more into the mystical science of the two neighboring planets. It could be crucial to know how these scientific phenomena would play out for the oceans and what it may hold for the aquatic life that calls deep waters their homes.