system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Who was the first astronaut?


assistant
Yuri Gagarin, a Russian pilot, was the first person to travel into space. On April 12, 1961, he completed an orbit around the Earth in the Vostok 1 capsule. Gagarin famously said, "Our Earth is blue," while in Earth orbit.