The Zeeman effect, in which energy levels of electrons are shifted and produce a corresponding split in spectral lines observed, is used to measure _________ at the Sun's surface.
A) magnetic field strength
B) the intensity of gamma rays
C) gravitational field strength
D) the velocity and oscillations of gas
Correct Answer:
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Q41: Why are astronomers interested in detecting neutrinos
Q42: Sunspots are dark because they are
A) landmasses
Q43: The solar wind is created in the
Q44: A solar prominence is essentially
A) a cloud
Q45: Generally speaking, activity on the surface of
Q47: How do a prominence and a flare
Q48: Which of the following gives evidence of
Q49: How do we know sunspots have magnetic
Q50: What is solar seismology?
A) the study of
Q51: The Sun rotates _ at its equator
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