be regarded as having always been members of the solar system, however much their orbits may have changed. They are supposed to be derived from the secondary nuclei of a soiral nebula. The most ...

Look for the Orion constellation and the Orion Nebula (Messier 42)—our solar system came from that direction." The increased ...

Tiny grains from the asteroid Ryugu have shed light on the origins of the outer solar system over 4.6 billion years ago. MIT researchers analyzed precious samples from the asteroid Ryugu ...