Match the following. i. sun a. galaxy ii. moon b. constellation iii. earth c. star iv. group of stars d. satellite v. Milky Way e. planet

i-c Stars are celestial bodies that have their own light. The sun is at the centre of the solar system. It is a star, a massive ball of gas that produces huge amounts of heat and light. It is surrounded by eight planets and their moons. ii-d Moon is the only natural satellite of the planet earth. It is a heavenly body that revolves around the earth. Moon is the brightest object in the night sky. It does not shine by its own light. In fact, it reflects the light from the sun. iii-e Earth is the only planet in the solar system where life exists. It has water, oxygen, and the right temperature for living b eings to survive and live comfortably. Earth rotates on its axis. iv-b Stars are celestial bodies that have their own light. Some groups of stars form recognizable patterns or shapes in the night sky. They are called Constellations. v-a The solar system is part of our universe, and it is in the Milky Way galaxy. All the heavenly bodies like the stars, planets, moons, meteorites and comets are a part of our universe. The Milky Way galaxy is a spiral-shaped galaxy in the universe. It has billions of stars. Our solar system is a part of the Milky Way galaxy. The universe contains billions of such galaxies. Hence, i. sun c. star ii. moon d. satellite iii. earth e. planet iv. group of stars b. constellation v. Milky Way a. galaxy

All the heavenly bodies like the stars, planets, moons, meteorites and comets are a part of our universe. Millions of stars of various sizes form galaxies. Galaxies have different shapes and move in space. The solar system is in the Milky Way galaxy. The universe contains billions of galaxies.

Planets revolve around the sun in the solar system, while satellites are the space objects that revolve around planets. Moon is the only natural satellite of the earth. It revolves around the earth. The earth has some man-made satellites also, sent by humans for scientific activities.