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Homework Problems

 

HW#19: pg. 414  Rev 1 – 3; CST 1 – 3

Rev 1 – 3

1.    Name and briefly describe the main regions of the Sun. How hot is the solar surface? The solar core?

2.    What is luminosity, and how is it measured in the case of the Sun?

3.    How do scientists construct models of the Sun?

 

CST 1 – 3

1.    Compared with Earth's diameter, the Sun's diameter is about (a) the same; (b) 10 times larger; (c) 100 times larger; (d) 1 million times larger.

2.    Overall, the Sun's average density is roughly the same as that of (a) rain clouds; (b) water; (c) silicate rocks; (d) iron-nickel meteorites.

3.    Sun spins on its axis roughly once each (a) hour; (b) day; (c) month; (d) year.