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Scientists have discovered that Mars has a gravitational cycle that affects Earth, altering underwater geology and demonstrating the connection between celestial bodies in the solar system.
New research suggests that Mars' gravitational pull on Earth may influence changes in our planet's climate. A study published in Nature Communications. indicates that over 65 million years, deep-sea currents follow a cycle of intensification and weakening every 2,4 million years. One cause? Gravitational interactions between the two planets.
The great astronomical cycle and the oceanic abysses
Scientists have identified a phenomenon called “great astronomical cycle”. During this cycle, deep currents, known as giant nets, gain strength, reaching the deepest depths of the oceans.
In these phases, sediments accumulated during calm periods are eroded by powerful currents.
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These changes coincide with the gravitational resonance between Mars and Earth. As the planets orbit the Sun, their gravitational interactions alter the shape of Earth's orbit, making it more or less circular.
When Mars pulls Earth closer to the Sun, our planet receives more solar radiation, resulting in warmer climates.
Evidence on the ocean floor driven by Mars' gravity.
Research led by Adriana Dutkiewicz and Dietmar Müller from the University of Sydney used satellite data to map ocean sediments over millions of years.
The records show gaps during astronomical cycles, suggesting that stronger currents may have swept up sediments during periods of climate warming, driven by Mars' gravity.
While fascinating, the authors caution that this natural process is not related to current global warming, which is caused by human activities such as the emission of greenhouse gases.
Impacts on ocean circulation
The findings suggest that Mars' gravitational pull may help sustain Earth's deep currents, such as the Atlantic Meridional Overturning Circulation (AMOC). This current, which transports warm water from the tropics to the Northern Hemisphere, is at risk of slowing down or collapsing due to climate change.
However, researchers point out that Mars-influenced ocean eddies may play a crucial role in maintaining this system.
According to Dietmar Müller, multiple factors affect ocean circulation, but Mars' gravity could have a subtle but significant influence. Warmer oceans during these astronomical cycles could intensify deep circulation, preventing stagnation.
The study offers a new perspective on how cosmic forces, such as Mars' gravity, can shape Earth's climate and ocean systems over millions of years.
Although little is still known about these mechanisms, the discoveries reinforce the complexity of the interactions between Earth and the surrounding universe.
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Science studies, analyzes and informs. Science is based on evidence, not on empiricism or guesswork. Therefore, we achieve our goals in mechanical steps. Therefore, I think that science is not one that does not live in obscurity, but rather in the light.