You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Which astronaut set an 8 day space endurance record on the Gemini 5 mission in addition to being one of the seven original atronauts in Project Mercury?" whose answer is Gordon Cooper.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Gordon Cooper Project Mercury original astronauts
Useful Output:

Doc 1: John Williams shows the Mercury "Faith 7" capsule in Space Center Houston and explains how astronaut Gordon Cooper flew the last Mercury
Doc 2: NASA 50th Anniversary of Gordon Cooper's Last Flight of Project Mercury. 14K views · 11 years ago more
Doc 3: Gordon Cooper, one of the original seven Mercury astronauts. In 1963 he made the last and longest Mercury flight of more than one day.
Doc 4: Gordon Cooper was an American aeronautical engineer, test pilot and one of the seven original astronauts in Project Mercury, the first manned
Doc 5: Colonel Cooper was selected as a Mercury astronaut in April 1959. He piloted the “Faith 7” spacecraft which concluded the operational phase of Project Mercury.