Author Question: An observer in the Northern Hemisphere watches the sky for several hours. Due to the motion of ... (Read 150 times)

Pineappleeh · **on:** Jul 27, 2018

An observer in the Northern Hemisphere watches the sky for several hours. Due to the motion of Earth, this observer notices that the stars near the north celestial pole appear to move

a. counter-clockwise around the celestial pole.
b. clockwise around the celestial pole.
c. from left to right.
d. from right to left.
e. nearly vertically upward.

Question 2

Precession of the rotation axis of Earth is caused by

a. the force of gravity from the Sun and Moon on Earth's equatorial bulge.
b. the force of gravity from the Sun and Jupiter on the Earth-Moon system.
c. the magnetic field of Earth.
d. the formation and subsequent melting of glaciers during the ice-ages.
e. the impact of asteroids.