To get a fuller picture of the effects of giant planets on the climates of terrestrial ones, the team built a model with slightly different orbits for Jupiter — 160,000 of them.

Mercury’s risk of orbital disruption rises by 50–80%. There’s a 0.3% chance Mars could be lost through collision or ejection, ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

According to their simulations, the passages of field stars could result in the loss of planets over the next 5 billion years. Their results also indicate that the orbits of the gas/ice giants and ...

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But in the newly discovered star system, there are a whopping five pairs, because all six planets have orbits in resonance with their neighbors. Dr. Luque described it as “the 1 percent of the 1 ...

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that govern it. In particular, there is the long-standing question of whether ...