The Sun's corona has a temperature of approximately 1 million degrees.At what wavelength and in what part of the electromagnetic spectrum does its radiation peak?
A) 550 nm, visible
B) 2 * 10-5 m, infrared
C) 4* 10-7 m, ultraviolet
D) 3 *10-9 m, X-rays
E) 6 m, radio
Correct Answer:
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Q40: Which of these can travel directly from
Q41: Suppose coronal holes covered a larger fraction
Q42: In a sunspot, the umbra is
A) hotter
Q43: Sunspots appear dark because they have _
Q44: In the figure below, one can see
Q46: The hottest layer of the solar atmosphere
Q47: The figure shown below, taken at visible
Q48: Which of the following are created by
Q49: What force shapes the Sun's corona?
A) gravity
B)
Q50: Which of the layers of the Sun
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