OUR EARTH AND OUR SOLAR SYSTEM
Introduction : In a clear night sky, when we look up from terrace, courtyard or open ground, we can see the sky with full of stars.Some stars twinkle and some do not.Some of them seems to be big and some others appears to be small & faint. The stars are very far away from the earth. The sun and the moon both are comparatively to other stars close to the earth so we can see them clearly.We can see the round shape of the sun and the moon also. The Heavenly Bodies: The heavenly bodies are related to sky. The objects present in space is also know as the heavenly bodies.These are also called astronomical objects. The stars, the planets, the moon are included in heavenly bodies. 1. Stars: The heavenly bodies that twinkle are called stars. Stars have their own light. Stars shine. Stars are huge celestial bodies which are made of Hydrogen and helium gases. These gases produce light and heat, hence it shine. According to the astronomers, 300 billion of stars exist in the...