56. What is the name of the point in the sky directly above an observer?
a) Horizon
b) Zenith
c) Nadir
d) Meridian
57. What is the name of the region of the Sun where energy is transported from the core to the surface?
a) Photosphere
b) Corona
c) Chromosphere
d) Convection zone
58. What is the name of the process by which a massive star collapses into a single point of infinite density?
a) Supernova
b) Black hole
c) Neutron star
d) Pulsar
59. What is the name of the phenomenon where a planet or moon passes in front of a star and causes a temporary decrease in its brightness?
a) Eclipse
b) Transit
c) Occultation
d) Parallax
60. What is the name of the concept that states that the universe is expanding and that galaxies are moving away from each other?
a) Hubble’s Law
b) Kepler’s Law
c) Newton’s Law
d) Einstein’s Law
