Multiple Choice
What are coronal holes?
A) regions in the photosphere where magnetic lines gather, creating cooler areas with much less plasma
B) areas of the corona where magnetic field lines project out into space, allowing charged particles to escape and form the solar wind
C) areas in the corona that allow us to see through to the photosphere
D) tunnels in the outer layers of the Sun that allow photons to escape and form the solar wind
E) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q11: What was the solar neutrino problem?
Q29: Suppose you try to bring two protons
Q30: If the Sun suddenly stopped emitting neutrinos,
Q32: The star Alpha Centauri A is the
Q34: If the Sun's core suddenly shrank a
Q35: Where in the Sun do fusion reactions
Q38: What is the solution to the solar
Q88: Although the Sun does not generate energy
Q94: Why does the Sun emit neutrinos?<br>A)Solar flares
Q100: Which of the following best explains why