Earth-like planets often come with a bodyguard

Heidelberg, Germany (SPX) Oct 14, 2020

Scientists suspect that the planet Jupiter played an important role in the development of life on Earth, because its gravity often deflects potentially dangerous asteroids and comets on their orbits into the zone of rocky planets in a way that reduces the number of catastrophic collisions. This circumstance therefore repeatedly raises the question whether such a combination of planets is r