Yes, interstellar comet 3I/ATLAS is older than the Solar System (opens in new tab)

Here in our Solar System, nearly everything we encounter was indeed native to our Solar System itself. The Sun, planets, and moons all originated from the same pre-solar nebula. The objects in the asteroid belt, Kuiper belt, and Oort cloud have that same primordial origin: formed from the same pre-solar nebula that gave rise to our Sun, the planets, and the moons. When we observe them — whether in their original locations or because a gravitational encounter has hurled them into the inner Sol...