Multiple Choice
The surface of the Sun appears sharp because
A) the photosphere is cooler than the layers below it.
B) the photosphere is thin compared to the other layers in the Sun.
C) the photosphere is much less dense than the convection zone.
D) the photosphere is transparent to radiation.
Correct Answer:

Verified
Correct Answer:
Verified
Q14: At the center of the Sun, the
Q15: In our Sun, hydrostatic equilibrium exists only
Q41: In a sunspot, the umbra is cooler
Q42: Detection of solar neutrinos confirms that<br>A) the
Q43: If a sunspot is half as bright
Q44: Magnetic field is continuously produced and deformed
Q48: The solar neutrino problem was solved by
Q50: The solar magnetic field switches polarity every
Q51: The temperature of the corona is much
Q51: If the Sun converts <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4068/.jpg" alt="If