Jupiter, Venus, Earth

In a study which was shows that the planets like Jupiter and Venus might influence the Earth’s climate and life forms. The study states that the Earth’s orbit around the sun shifts from circular to slightly elliptical in every 405,000 years and then it comes back to normal position.

The scientists who are studying this pattern said that they had noted this pattern for at least 215 million years or maybe longer. After this study, they can relate the climate change on Earth is due to this pattern and it happens in the time of dinosaurs and mammals and fossils. They have made this discovery after analyzing the sediments in New Jersey and Arizona.

Jupiter, Venus, Earth

As per study authors, this effect is an example of Milankovitch cycle, and to confirm it; they have observed this phenomenon for decades. The Milankovitch cycles planet’s circular usually orbit around the Sun shifts, and it becomes nearly 5 percent elliptical, and after some time the planet again moves in the circular trajectory. The study authors want to know about the effect of Milankovitch cycles on Earth and want to know that how much it will affect the Earth’s trajectory. For this, the researchers have drilled deep and get ancient rocks under Arizona’s Petrified Forest National Park.

According to the lead author, Dennis V.Kent, a Board of Governors professor in the Department of Earth and Planetary Sciences at Rutgers University-New Brunswick, said , “It’s an astonishing result because this long cycle, which had been predicted from planetary motions through about 50 million years ago, has been confirmed through at least 215 million years ago. Scientists can now link changes in the climate, environment, dinosaurs, mammals, and fossils around the world to this 405,000-year cycle in a very precise way.”

The scientists have linked the reversals of the Earth’s magnetic field, and compasses point to South instead of North. Kent added by saying, “The climate cycles are directly related to how the Earth orbits the sun and slight variations in sunlight reaching Earth lead to climate and ecological changes. The Earth’s orbit changes from close to perfectly circular to about 5 percent elongated especially every 405,000 years.”

The study was carried by National Foundation-Funded scientists at Rutgers-New Brunswick, Lamont-Doherty Earth Observatory at Columbia University. The findings that they have found are published online in the Proceedings of the National Academy of Sciences.


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