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Radio France Internationale

Dhananjay Khadilkar

From the Lab: French researchers uncover why solar system planets are unlikely to collide

Solar System Earth Mars Mercury Sun Venus

Researchers from the Observatoire de Paris recently published a paper on the stability of the orbits of the terrestrial planets of our solar system. © Dhananjay Khadilkar

More than 30 years ago researchers discovered that the orbits of the four terrestrial planets in our solar system - Mercury, Venus, Earth and Mars - are chaotic. Despite this behaviour, French researchers believe their orbits are stable and the chances of a planetary collision are slim.

The researchers from the Observatoire de Paris - PSL and CNRS are now able to show why.

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