9. Which color star is likely to be the hottest? 9. Which color star is likely to be the hottest? Read Details
3. When astronomers discuss a nebula, what are they talking… 3. When astronomers discuss a nebula, what are they talking about? Read Details
10. Which law do astronomers use to determine the masses of… 10. Which law do astronomers use to determine the masses of the stars in a spectroscopic binary system? Read Details
5. Astronomers today know a lot about the size and shape of… 5. Astronomers today know a lot about the size and shape of the Milky Way Galaxy. Which of the following common objects most resembles the shape of our Galaxy? Read Details
11. A star whose temperature is increasing but whose luminos… 11. A star whose temperature is increasing but whose luminosity is roughly constant moves in what direction on the H-R diagram? Read Details
3. When a single star with a mass equal to the Sun dies, it… 3. When a single star with a mass equal to the Sun dies, it will become a Read Details
14. What evidence can you give that shows the surface of Jup… 14. What evidence can you give that shows the surface of Jupiter?s moon Europa must be relatively young? Read Details
15. Objects orbiting around the center of the Milky Way obey… 15. Objects orbiting around the center of the Milky Way obey Kepler’s 3rd Law. This means that: Read Details
25. At their centers, all the jovian planets have cores made… 25. At their centers, all the jovian planets have cores made of: Read Details
35. Which of the following statements about Saturn’s rings i… 35. Which of the following statements about Saturn’s rings is TRUE? Read Details