Chapter 2: The Stelliferous Age
Due 18 Mar 2004, 8 AM

Welcome to the preflight questions page for Chapter 2. Please enter your identification information, and then answer the questions. Your grade is only based on participation; not getting the right answer.


Please input the following:


High mass stars explode, while low mass stars do not. What does a high-mass star achieve that enables it to explode, that a low-mass star cannot?

If the material ejected from stars eventually collapses into new stars, why can't star formation go on forever?

Which of these types of stars does not exist (yet):

Red Dwarfs
Blue Dwarfs
Brown Dwarfs
White Dwarfs


Some other questions you might find useful (note: many of these won't be answered explicitly in the book):
  • Why does dark matter clump before normal matter does?
  • How do we know dark matter is there?
  • Why can't dark matter be made of normal matter?
  • If gravity attracts, why are dwarf galaxies stretched?
  • How do collapsing clouds get rid of angular momentum?
  • What determines the boundaries of how massive a star can be?
  • Why does a star's mass determine its evolution?
  • Why do high mass stars die young?
  • Why does convection prolong the life of a star?

(Optional) What puzzled you about the reading? What would you like to have explained in more depth? What questions would you ask to see if the reader had grasped the most important concepts in the chapter?

When you are satisfied with your entries, you may

Or, you can