The only known solar system body believed to have formed OUTSIDE of our solar system is
A) an asteroid.
B) a Kuiper belt object.
C) part of the Oort cloud.
D) a meteorite discovered in Antarctica.

Question

Quizplus · Accepted Answer

Asteroid 'Oumuamua is the only known object in our solar system that is believed to have originated from outside the solar system. Its high velocity and unusual trajectory suggest it is not gravitationally bound to the Sun and likely came from interstellar space.

The Only Known Solar System Body Believed to Have Formed