An observer on the Moon looking at Earth would
a. always see a fully illuminated Earth.
b. always see a half-illuminated Earth.
c. see phases of Earth.
d. see continuous darkness.
c
You might also like to view...
Describe the difference between an umbral and a penumbral lunar eclipse as seen by an observer on Earth
What will be an ideal response?
The cosmic microwave background is:
A) redshifted in the direction of Earth's motion. B) redshifted in the direction of the Sun's motion. C) redshifted in the direction of the center of the Milky Way. D) blueshifted in the direction of Earth's motion. E) blueshifted in the direction of the Virgo Cluster.
At what temperature is the Celsius temperature and the Fahrenheit temperature are same?
A. 30
B. 35
C. -40
D. 45
E. -30
Tensile Stress and Strain: A 25-kg piece of equipment can be hung by steel wires of length 1.00 m, 2.00 m, or 3.00 m. If all the wires have the same diameter, which one will stretch the greatest percent?
A. the 1.00-m wire B. the 2.00-m wire C. the 3.00-m wire D. They will all stretch by the same percent.