Researchers split mysterious three body problem defined by Newton

Newton’s groundbreaking work created a pickle that has puzzled scientists for centuries: The Three-Body Problem.

Researchers split mysterious three body problem defined by NewtonIt’s been nearly 350 years since Sir Isaac Newton outlined the laws of motion, claiming “For every action, there is an equal and opposite reaction.” These laws laid the foundation to understand our solar system and, more broadly, to understand the relationship between a body of mass and the forces that act upon it.

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After using the laws of motion to describe how planet Earth orbits the sun, Newton assumed that these laws would help us calculate what would happen if a third celestial body, such as the moon, were added to the mix. However, in reality, three-body equations became much more difficult to solve.

When two orbit a center point, it’s easy to calculate their movements using Newton’s laws of motion. However, if all three objects are of a comparable size and distance from the center point, a power struggle develops and the whole system is thrown into chaos. When chaos happens, it becomes impossible to track the bodies’ movements using regular math.

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International team, led by astrophysicist Dr. Nicholas Stone at the Hebrew University of Jerusalem’s Racah Institute of Physics, has taken a big step forward in solving this conundrum. Their findings were published in the latest edition of Nature.

Dr. Nicholas Stone shared we found a high degree of accuracy when we compared our predictions to computer generated models of their actual movements.

Instead of accepting the systems’ chaotic behavior as an obstacle, the researchers used traditional mathematics to predict the planets’ movements.

While the researchers stress that their findings do not represent an exact solution to the three body problem. Statistical solutions are still extremely helpful in that they allow physicists to visualize complicated processes.

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Take three black holes that are orbiting one another. Their orbits will necessarily become unstable and even after one of them gets kicked out. We are still very interested in the relationship between the surviving black holes. This ability to predict new orbits is critical to our understanding of how these and any three body problem survivors will behave in a newly stable situation.

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