alt Hacker News> We aren't actually sure what gave our core the spin it has, right?
We are, it’s from the conservation of angular momentum. The material that made our planet also had a non-zero angular momentum.
> We aren't actually sure what gave our core the spin it has, right?
We are, it’s from the conservation of angular momentum. The material that made our planet also had a non-zero angular momentum.
No we aren't. That's a theory that barely fits the lower bound of what we estimate the spin of the core to be