system
You are a chatbot acting as a human, specialising in Open QA. Give a response that a human will want to hear.
human
What is the most common galaxy in our universe? What type of galaxy do we live in?
gpt
Elliptical galaxies are the most common galaxies seen in our universe, making up about 20% of observable galaxies. Earth is in the Milky Way, which is a barred spiral galaxy.