1. The Sun NS Grade 4 Module 2: The Earth and Beyond

2. The Sun The sun is the biggest object in our solar system. The sun’s gravity keeps everything in place. Our sun is a star. What is a solar system? |The sun is at the centre of our solar system.

3. The Sun A Solar system consist of one sun (star) and all the heavenly bodies that are in orbit around it, namely: Planets and Dwarf planets Satellites (moons) Asteroids Comets Other frozen objects

4. The Sun What does the sun consist of?

5. The sun It consist mainly of the gas hydrogen, of which 700 000 000 ton is transferred to helium and energy every second. The sun consist of 75 percent hydrogen and 25 percent helium.

6. The sun Without the sun, no life is possible on planet earth.

7. The sun The sun gives: Light Heat Energy

8. The sun What does it look like inside the sun?

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10. A magnetic “geyser” above a sunspot, an area with a strong magnetic field.

11. The sun How hot is the sun? * Approximately 5 500°C on its surface. Th e temperature of the gasses around the sun (corona) vary between 200 000°C and 2 500 000°C.

12. The sun In the centre of the sun it is an astonishing … 15 000 000°C

13. The sun This false colour photo shows the warm gasses around the sun.

14. Die Son From the side:

15. The sun How is a sun (star) born? It is born in a star cloud, called a nebula.

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18. How small is the earth compared to the sun?

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21. How big is our sun (star) compared to other suns (stars)?

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24. The sun Our sun is one of millions other stars in a galaxy. The name of our galaxy is … the Milky Way Photo of another galaxy:

26. The sun Our place in the universe:

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