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A research team's study shows an intergalactic star's passage within 100 astronomical units of the Sun could disrupt Earth's orbit and habitability. Over 12,000 scenarios suggest a 95% chance all planets remain, though with altered orbits, highlighting our Solar System's resilience and unpredictability.
Researchers observed two ice giant exoplanets colliding around a sun-like star, causing an intense burst of light and dust. This discovery, made by an international team of astronomers, could lead to the formation of new moons around a newly-formed planet in the future. The study, published today
![Collision Between Earth and Theia Immediately Led to the Formation of the Moon [New Theory] - Vimarsana News](https://1471793142.rsc.cdn77.org/data/thumbs/full/62028/650/0/0/0/moon.jpg)
A new simulation shows that the moon formed in a matter of hours, instead of months or years. The Moon formed only in a matter of hours following the collision between Earth and Theia, a space object the size of Mars, according to a new simulation put forth by a novel study.
