SPACE!

1. SPACE!

2. Definitions • Universe: everything that exists including all matter and energy everywhere. • Astronomy: the study of what is beyond Earth. • Constellations: groups of stars that form shapes or patterns. • Solar System: our sun and all of the objects (moons, planets) that travel around it.

3. Definitions • Star: matter that emits a huge amount of energy • Planet: matter that revolves around a star

4. Our Solar System • Consists of: • Sun • 8 planets • Satellites (i.e. moons) • 3 dwarf planets • Comets and asteroids • Planets orbit around the sun (revolution)

5. Inner Solar System • Sun • Mercury • Venus • Earth • Mars

6. Outer Solar System • Jupiter • Saturn • Uranus • Neptune

7. LOOK AT ALL THE SPACE!

8. Size of planets

9. Current Abbreviated Theory of Solar System Origin • An immense cloud of gas and dust called the solar nebula started rotating. • The sun’s nuclear reaction began at the centre of the nebula. • The planets formed by accumulating material within the rotating cloud. solar system

10. Star Maps and Constellations • Star maps show the constellations in the sky that your should see at different times of year. • A pointer star is used to locate other stars or constellations. • Many constellations have bright stars in them:

12. The Big Dipper

13. The Big Dipper

14. The Little Dipper The Big Dipper

15. The Little Dipper Polaris The Big Dipper

16. The Little Dipper Polaris The Big Dipper

17. Cassiopeia The Little Dipper Polaris The Big Dipper

18. p.407 Cassiopeia The Little Dipper Polaris The Big Dipper

19. p.407 Cassiopeia Bootes The Little Dipper Polaris The Big Dipper Orion Leo Canis Major

20. Constellations • Little Dipper • Polaris • Orion • Rigel • Betelgeuse • Leo • Regulus • Bootes • Arcturus