Final answer:
The nonfiction article in the unit informs readers about the achievements of Apollo, including the samples brought back from the Moon, the exploration conducted by the Apollo astronauts, and available resources for further learning.
Step-by-step explanation:
The purpose of the nonfiction article in the unit was to inform readers about Apollo and its achievements.
- The article provided information about the samples of lunar rock and soil brought back from the Moon, which suggested the age of the Moon's surface and its stability over time.
- It discussed the exploration of the Moon by the Apollo astronauts, including their use of the electrically driven "moon buggy" and the extensive video pictures transmitted to Earth.
- Additionally, the article mentioned a first-person account by the only scientist to walk on the Moon, as well as resources available for further exploration of the Apollo missions.