Galileo proposed that the Sun is a rotating sphere after he ____.
A) timed a full rotation of the Sun's equator
B) observed sunspots move across the surface of the Sun
C) measured different spectral lines of emission on different days
D) noted how the Sun rose in the east and set in the west
E) discovered the parallax of the Sun
Correct Answer:
Verified
Q24: How many nuclear reactions occur in a
Q25: The pink color of the chromosphere is
Q26: Consider the complete magnetic cycle of sunspot
Q27: When mapping the interior of the Sun,
Q28: What causes granulation on the photosphere?
A) convection
B)
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