

A new study from #PrincetonU's @TheAmirSiraj shows that there may be rogue planets the size of Mars existing in the outer solar system, captured by our sun's gravity long ago. https://t.co/erqX085ju1 (via @physorg_com)
— Princeton University (@Princeton) January 5, 2024
After years of effort, says #PrincetonU's @TheAmirSiraj, researchers may have found pieces of IM1, "a kitchen sink-sized chunk of interstellar material" that they believe collided with Earth in 2014.
— Princeton University (@Princeton) July 7, 2023
More on the discovery at @sciam ⬇️ https://t.co/4NKG1QQvVa