The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma. The sun is a yellow star that gives light to the world so there is a day. It is the most important source of energy for life on Earth because the earth orbits on the sun. Meanwhile, the brightest and largest white object in our night sky, the Moon makes Earth a more livable planet by moderating on moon's orbit , leading to a relatively stable climate. This two have similarities which is being round and can gives light to earth.
