Newslink: Interstellar Objects Like 'Oumuamua Might Jump-Start Planet Formation

'Oumuamua might form the heart of an alien planet someday.

Widely wandering bodies such as the odd, needle-shaped 'Oumuamua — the first interstellar object ever confirmed in our own solar system — commonly seed nascent planetary systems, a new study suggests.

https://www.space.com/interstellar-objects-oumuamua-planet-growth.html