The universe is made up of the sun, moon, stars, planets and other heavenly bodies. The vast empty space containing all the heavenly objects together constitutes the universe. Several researches are being carried out by astronomers to study the universe The branch of science that deals with the study of the universe is known as astronomy.

The branch of science in which we study about the universe is known as astronomy. Astrology is the study of the motions of the planets, sun, moon, and stars with the hope that these movements can influence the lives of human beings. According to astrology, the personality of a person is decided by the star sign under which he is born.

Stars are celestial objects that are extremely hot and have light of their own. They are made up of gases, mainly hydrogen and helium. They emit heat and light because of the nuclear reactions taking place inside them. The sun is the star that is nearest to the earth.