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Homework Problems

 

HW#21: pg. 414-415  Rev 7 – 9; CST 7 – 9

Rev 7 – 9

7.    Why does the Sun appear to have a sharp edge?

8.    What is the solar wind?

9.    Why do we say that the solar cycle is 22 years long?

 

CST 7 – 9

7.    A typical solar granule is about the size of (a) a U.S. city; (b) a large U.S. state; (c) the Moon; (d) Earth.

8.    As we move to greater and greater distances above the solar photosphere, the temperature in the Sun's atmosphere (a) steadily increases; (b) steadily decreases; (c) first decreases and then increases; (d) stays the same.

9.    The time between successive sunspot maxima is about (a) a month; (b) a year; (c) a decade; (d) a century.