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: "who said first that earth revolves around the sun?" whose answer is Aristarchus of Samos.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who said first that earth revolves around the sun
Useful Output:

Doc 1: The earliest extant reference to the Earth being a globe comes from 200 years after Pythagoras was born, in a dialogue by Plato (427–347 BC) called the Phaedo
Doc 2: In 1543, Nicolaus Copernicus detailed his radical theory of the Universe in which the Earth, along with the other planets, rotated around the
Doc 3: Almost at the turn of the 10th century, Ibn al-Haytham (Alhazen) demonstrated that, contrary to the view held by all the scientists of that time
Doc 4:  earth-revolves-around-the-sun--prove-it http://www.universetoday.com/18097/the-earth-goes-around-the-sun/ http://earthobservatory.nasa.gov
Doc 5: Basically, everyone doing astronomy thought the Sun went around the Earth, from around 500 BC until Copernicus and Gallileo.