a galaxy the universe a constellation the solar system
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A student uses the following characteristics to describe a group of objects in space. * 200 billion stars * 30 million light years from Earth * 500 light years in diameter Which of the following is the student most likely describing?
Possibilities:
- a galaxy
- the universe
- a constellation
- the solar system

a galaxy