The pictures show two objects in the solar system. Identify the objects and describe how they are different. A is a comet that revolves around a star, while B is an asteroid that revolves around a star.
A is a comet that revolves around a star, while B is a moon that rotates on its axis.
A is a moon that revolves around a planet, while B is a comet that revolves around a star.
A is a star that emits its own light, while B is a planet that revolves around a star.