Multiple Choice
The strength of the magnetic field in a sunspot is estimated from Earth by
A) measuring the size and brightness of the sunspot.
B) measuring the size and mass of a prominence suspended above the sunspot.
C) measuring the shape of structures seen in the corona above sunspots during solar eclipses.
D) observing the wavelength splitting of atomic spectral lines by the Zeeman effect.
Correct Answer:
Verified
Correct Answer:
Verified
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