Q17 of 112 Page 335

Name a star having a system of planets with life on one of its planets.

The Sun is the star having a system of planets with one planet called Earth with life on it. The Earth is the only planet on the solar system on which the life is known to exist.


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15

Why does the Sun appear to be bigger and brighter than all other stars?

 16

Which is the main source of heat and light energy for all the members of the Solar System (like planet and satellites, etc.)?

 18

Name the planet having a well-developed system of rings around it.

 19

Name the planets which lie between the Sun and the Earth.