NCERT Solutions for Class 8 Science Chapter 17: Stars and the Solar System

In this chapter, we will explore our planet and the whole solar system. We will read about the different types of celestial objects in the night sky. We will read about the moon, its surface, its rotation and revolution and its impact on the earth. We will also study about the different stars in the sky. The chapter also provides us with a brief explanation about constellations. We will also read about the solar system and the various celestial bodies it consists of. The chapter ends by giving us a brief about asteroids, comets and artificial satellites.

• Objects in the night sky are called celestial bodies.
• The study of these bodies is called astronomy.
• We read about the moon and its different phases – full moon, new moon and crescent moon.
• We also read about the surface of the moon and the moon landing.
• The chapter also tells us about the different stars in the sky and their proximity to earth.
• We will also study about the different constellations in detail, like Orion, Ursa Major and Ursa Minor, Cassiopeia, etc.
• The solar system has also been explained in the chapter.
• The planets in the solar system orbit around the sun.
• There are eight planets in the solar system – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
• The chapter also gives us brief introductions to asteroids, comets, meteors, and meteorites.
• The chapter concludes by telling us about artificial satellites that humans have sent into space.