A ________ is believed to occur when energy, stored in a twist in the solar magnetic field above a sunspot, is suddenly released.
a. solar flare
b. supergranule
c. spicule
d. coronal hole
e. none of the others
Question 2
Galileo used a telescope to discover
a. spots on the Sun.
b. craters on the Moon.
c. moons around Jupiter.
d. moon-like phases of Venus.
e. all of above.