A quarter of the sun-like stars eat their planets

A quarter of the sun-like stars eat their planets
A quarter of the sun-like stars eat their planets

There has been a dearth in our solar system in the 30 or so years since planets were first discovered orbiting stars other than our sun, said Lorenzo Spina of the Italian National Institute of Astrophysics and research fellow at Monash University. Just about the solar system as we know it.

Expected Wolf ” spaceThe technology: The planets in our solar system orbit the sun in stable, semi-circular paths, indicating that the orbits have not changed much since the planets first formed, but many planetary systems orbiting other stars have suffered from a very chaotic past. The solar system on the flourishing of life here on Earth.

In the search for alien worlds that might contain life, we could narrow down the targets if we had a way of identifying systems with similarly peaceful pasts. Our international team of astronomers addressed this problem in a paper published in Nature Astronomy We found that between 20% and 35% of Sun-like stars eat their planets, with the probability that the number being 27%..

This suggests that at least a quarter of planetary systems orbiting Sun-like stars had a very chaotic and dynamic past.

Chaotic dates and binary stars

Astronomers have witnessed many exoplanet systems in which large or medium-sized planets have moved greatly, and the gravity of these immigrant planets has disturbed the paths of other planets or even pushed them into unstable orbits..

In most of these highly dynamic systems, it is also possible that some planets fell into the host star. However, we didn’t know how common these chaotic systems were for quieter systems like ours, whose orderly architecture favored the flourishing of life on Earth.

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