actually, i think there's a decent possibility that this "interstellar asteroid" is a starship.
well, look at the evidence carefully.
you don't expect a rock to be able to do this.
certainly, if a large spaceship were to move into our solar system from outside of it, it would act roughly like this asteroid is acting.
but, we'll see whether it boomerangs out or not, eh?
jagmeet singh must cut his beard.