Question

what important discovery did the lucy spacecraft make?
lucy discovered an asteroid formation was actually two asteroids instead of one.
lucy visited the oort cloud.
lucy entered interstellar space.
lucy discovered the kuiper belt.

Explanation:

Lucy is a NASA spacecraft. In 2023, it made the discovery that an asteroid formation (Dinkinesh) was actually two asteroids instead of one. The Oort cloud is still not visited by any spacecraft. Voyager 1 entered interstellar space. The Kuiper belt was discovered in 1992.

Answer:

Lucy discovered an asteroid formation was actually two asteroids instead of one.