ESC 1000 Earth Science    Name:____________

 

Chapter 24: Beyond Our Solar System

Part E End of Chapter Review Questions                                               18 Points

 

Your instructor has chosen #17 as required for 6 points. He will either choose additional three questions of the following or they will be circled on the paper. If he chose only one, then you may chose two. If he circles two, then you may chose one. You write a short answer for 4-4-4 points each (Write on back if necessary):

 

Required Question:

  1. (#17) Enumerate the six steps thought to be involved in the evolution of Sun-like stars.

 

Three of the Following will be chosen:

  1. (#4) Which star is more luminous, one having an absolute magnitude of five, or one having an absolute magnitude of ten? What is the ratio of the brightness between these two stars? What is the ratio of the luminous difference between a star with an absolute magnitude of one and a star with an absolute magnitude of two?

 

  1. (#6) What color are the hottest stars?  Medium-temperature starts like the Sun? Coolest Stars?

 

  1. (#7) Which property of a star can be determined from binary-star systems?

 

  1. (#15) What causes a star to become a giant?

 

  1. (#21) Describe the general structure of the Milky Way Galaxy?

 

  1. (#22) Compare three general types of galaxies.

 

  1. (#25) What evidence supports the big bang theory?