NCERT Solutions for Curiosity Chapter 12 Beyond Earth
Updated on 2026-09-05
About this chapter
Stars shine with their own light. Groups of stars that appear to make a pattern were called constellations . Today a constellation means a defined region of the sky — the International Astronomical Union has divided the whole sky into 88 such regions . The Pole Star (Dhruva tārā , Polaris) appears nearly stationary in the north , so it fixes the north direction in the Northern hemisphere. Find it from the two pointer stars at the end of the Big Dipper (Saptaṛiṣhi) cup — about five times the gap between them. The Sun is a star — the one nearest to us. It is about 100 times bigger than the Earth in diameter and about 150 million km away (that distance is called 1 astronomical unit, au). It is the main source of energy on Earth. A planet is a large, nearly spherical object that revolves aroun
- Chapter opening
- .1 Stars and Constellations
- & 23512.1 Stars and Constellations
- .2 Night Sky Watching
- & 24012.3 Our Solar System
- & 24312.3 Our Solar System
- .3 Our Solar System
- & 24712.4 The Milky Way Galaxy and 12.5 The Universe
- – 251Chapter exercise
- & 252Projects and further exploration
Exercises
- Chapter opening — In-text Questions Page 232
- .1 Stars and Constellations — Activity 12.1: Let us draw Page 23212
- & 23512.1 Stars and Constellations — In-text Questions Page 233
- .2 Night Sky Watching — In-text Questions Page 23612
- .2 Night Sky Watching — Activity 12.2: Let us try to locate Page 23812
- .2 Night Sky Watching — Activity 12.3: Let us try to identify Page 23812
- & 24012.3 Our Solar System — In-text Questions Page 238, 239
- & 24312.3 Our Solar System — In-text Questions Page 242
- .3 Our Solar System — Activity 12.4: Let us try to identify Page 24312
- & 24712.4 The Milky Way Galaxy and 12.5 The Universe — In-text Questions Page 246
- – 251Chapter exercise — Let us enhance our learning Page 249
- & 252Projects and further exploration — Learning further Page 251