Solar System

3. a meteoroid that has fallen to earth
4. giants the name given to the outer planets (Jupiter, Saturn, Uranus, & Neptune)
9. the study of the moon , stars, and other objects in space
10. a model that believes that the sun is the center of the universe. " sun centered model"
11. a chuck of rock or dust in space or Earth's atmosphere
13. a model that believes that the earth is the center of the universe " earth centered model"
14. planets, name given to to the inner planets (Mercury, Venus, Earth, & Mars)
15. belt these are large rocky objects found mostly between the Mars & Jupiter
17. particles of dust, ice and gases orbiting the sun

1. any object that resolves around another objects in space
2. a scientist who studies the universe beyond Earth
4. force of attraction between objects
5. objects that revolve around the sun that are too small to be considered planets
6. a Italian astronomer, first one to create and use a telescope at night to observe night sky
7. a Polish astronomer, who put the sun as the center of the solar system and that the planets revolved around it
8. path of one object in space around another
12. a burning meteoroid that shows a streak of light
15. a Greek astronomer, who believed the Earth was the center of universe
16. a Egyptian astronomer , who believed the earth was the center of universe