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Physics 306, Honors Astronomy, Exam 3 NAME______________________________________
 

Summary: Physics 306, Honors Astronomy, Exam 3
NAME______________________________________
You are graded on your work, with partial credit where it is deserved.
1. (4) A very tough friend of yours (who can withstand the tidal forces) sits in his spaceship just outside the event
horizon of a black hole and talks to you via radio transmissions. What do you notice about the speed and pitch of
his speech?
2. (a) List the 3 principal inner regions of the Sun (inside its surface), and give one nontrivial fact about each
region.
(i) (2)
(ii) (2)
(iii) (2)
(b) List the 3 principal outer regions of the Sun (at and outside its surface), and give one nontrivial fact about each
region.
(i) (2)
(ii) (2)
(iii) (2)
3. (14) Below draw a large rough sketch of the Herzsprung-Russell diagram, and roughly show the following
features on this diagram, with a clear labeling of each feature:
(1) the main sequence
(2) approximate positions of supergiants, giants, and white dwarfs

  

Source: Allen, Roland E. - Department of Physics and Astronomy, Texas A&M University

 

Collections: Physics