1. In the Solar System... by the class C 3 The Sun ECLIPSE OF THE SUN Which is the third planet in the solar system? The seasons on Earth

2. What is the sun?

3. The Sun is the closest star to Earth and is the center of our solar system. A giant, spinning ball of very hot gas, the Sun is fueled by nuclear fusion reactions. The light from the Sun heats our world and makes life possible.

4. What is an eclipse of the sun?

5. This is a diagram of a typical solar eclipse. During a total solar eclipse, the umbra reaches the Earth. During an annular eclipse, it does not. An eclipse occurs when the Moon passes in the path of the Sun and Earth.

6. Earth, our home planet, is a beautiful blue and white ball when seen from space. The third planet from the Sun, it is the largest of the inner planets. Earth is the only planet known to support life and to have liquid water at the surface In the solar system the inner planets are: Mercury, Venus, Earth, Mars Then there's the asteroid belt The outer planets are Jupiter, Saturn, Uranus, Neptune

7. The earth rotates around the sun with its axis tilted by 66 ° 30’. The earth takes four special positions: two equinoxes and two solstices

8. The Summer Solstice

9. The Winter Solstice

10. The Vernal and Autumnal Equinoxes