Sunspots
A) are caused by locally intense magnetic fields.
B) appear in the chromosphere.
C) are warmer than the material surrounding them.
D) tend to be less than 100 miles in diameter.
Correct Answer:
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Q46: Sunspot activity
A)typically varies in number on a
Q47: Why is it not completely accurate to
Q48: The earth's radiation is strongest in this
Q49: Which of the following has the longest
Q50: A _ is a perfect emitter of
Q52: Describe the sections of the Sun and
Q53: Differences in emissivity of a substance are
Q54: Sunspots are associated with the solar
A)core.
B)corona.
C)photosphere.
D)chromosphere.
Q55: Define and discuss the following terms involving
Q56: Sunspot numbers were lowest in this century:
A)seventeenth
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