Quiz

1. Will the universe continue expanding forever?
2. Is the expansion of the universe accelerating?
3. What discovery received the Physics Noble Prize in 2011?
4. Name the three scientists that received the prize?
5. Which standard candles were used to measure the acceleration of the universe?
6. What are  the fractions of baryonic matter, dark matter, and dark energy?
7. Describe Figure 16.16 of the textbook.
8. Which model fits best?
9. According to this model, which is the age of the universe?
10. Is there something opposing gravitational attraction in the universe as a whole?

Hint: Check Wikipedia for Dark Energy, in particular the groups High-z Supernova Search Team, and Supernova Cosmology Project.