Much of the solar wind comes from ________ where the magnetic field does not loop back into the Sun.
a. prominences
b. coronal holes
c. spicules
d. granulation
e. auroras
Question 2
Halley's comet has an orbital period of 76 years, what is the average distance of Comet Halley from the Sun?
a. 51 AU
b. 18 AU
c. 114 AU
d. 660 AU
e. 38 AU