which planet in the solar system is least dense?\no jupiter\no mercury\no neptune\no saturn

which planet in the solar system is least dense?\no jupiter\no mercury\no neptune\no saturn
Answer
Brief Explanations:
Saturn is composed mainly of hydrogen and helium, and its low - density composition makes it the least dense planet in the solar system. It has a density less than that of water, which means it would float if there were a body of water large enough to hold it.
Answer:
Saturn