Planets and the Solar System/Sun

A reviewed version of this page, approved on 26 September 2021, was based off this revision.

The sun is a star in the center of our solar system. All of the planets orbit the sun. The sun is made up of hydrogen and helium. The habitable zone is a place not too hot and not too cold to support life. We live in the habitable zone. Mercury is the closest planet to the sun. 2021 PH 27 is the closest object to the sun.