only the Sun the Sun and the Moon the Sun, the Moon, and some planets the Sun, the Moon, some planets, and comets
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which objects in our solar system give off their own light?
Possibilities:
- only the Sun
- the Sun and the Moon
- the Sun, the Moon, and some planets
- the Sun, the Moon, some planets, and comets

only the Sun