1. How did parts of our solar system form?

2. Aim: What are the parts of our solar system?
Topic: Earth in Space Unit 8 Main Idea: Satellites

3. 1) Define “satellite”
It is an object that revolves around another object. The moon is the earth’s satellite.

5. 2) Asteroids
These are chunks of rock orbiting the sun that never joined together to form a planet.

6. Asteroids
Most are found in between Mars and Jupiter.

7. Meteoroid
These are random chunks of rock in space broken off from asteroids.

8. Meteoroid, Meteor, Meteorite
Hoba Meteorite
Namibia
It is called a meteor when it enters our atmosphere and a meteorite when it hits the surface.

9. What is an impact crater?
This is a huge dent in earth’s surface caused by the impact of an asteroid or meteorite.
----4,000 feet----

10. Comets
This is a huge ball of ice and dust orbiting the sun.

11. Why do comets have tails?
The heat from the sun vaporizes the ice and blows it away from the sun.

15. 3) Terrestrial Planets
Mercury, Venus, Earth and Mars are all dense and small. Since they are similar to earth they are called terrestrial.

16. Jovian Planets
Jupiter, Saturn, Uranus and Neptune are large gas giants without solid surfaces.

17. How big is Earth in the grand scheme of the Universe??

18. Size of the terrestrial planets

19. Size of the Jovian and terrestrial planets

20. Size of the planets compared to the sun

21. Why is Pluto no longer considered a planet?