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Earth in the Solar System Review Pt 1 GALAXIES a. ________________________ are clusters of _________________________ of ______________ and have different _______________________ 1. Label the following galaxy shapes SPIRAL, BARRED SPIRAL, ELLIPTICAL, or IRREGULAR 2. Which of the above galaxy shapes is most like the Milky Way Galaxy? 3. What objects are clustered together to make galaxies? STARS b. The _________________ is one of many __________________ in the _____________________________________________ and that stars may differ in __________________, _______________________, and _______________________ 4. What are the largest stars called? 5. What size star is our SUN? 6. What color is our SUN? 7. What are the different colors/temperatures of stars? c. Know how to use _________________________________ and ___________________________________ as measures of _________________________ between the _______________, ________________ and ____________________ 8. What is a light year (LY)? 9. What is an Astronomical Unit (AU)? 10. Which measurement would you use to measure the distance from the Earth to the Asteroid Belt? 11. Which measurement would you use to measure the distance from our Sun to the next closest galaxy (Andromeda)? 12. Which would you use to measure the distance from the Sun to the Keiper Belt (the outer edge of the Solar System)? STARS PRODUCE LIGHT - PLANETS DO NOT d. ____________________ are the source of ______________________ for all bright objects in outer space and that the ____________________ and _________________ shine by _________________________________, NOT their own _________________. STARS MOONS (planetary satellites) ASTEROIDS PLANETS 13. Circle the object(s) above that produce their own light 14. Explain how an eclipse of the Moon proves that the Moon does not produce its own light. e. Know the ____________________________, general __________________________, relative _________________________ and _________________ in the SOLAR SYSTEM, including ______________________, ____________________________________ (MOONS), ________________________ and _________________________ Earth in the Solar System Review Pt 2 15. Complete the following table about the different locations in our Solar System Distance from Sun in AU Composition Size (rocky or (diameter) dust +gases) Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune 16. What separates the rocky planets from the gas giants? # of Moons (0, 1, 2, or many) 17. What force keeps all the planets orbiting around the Sun in the picture below? 18. What force makes planets round? HINT: it is the same as the force that keeps the planets orbiting the Sun . 19. Label the parts of the comet, like Halley’s Comet. 20. My Very Educated Mother Just Served Us Noodles – What does this phase help you remember? 21. Come up with your own acronym.