Why is the Moon's average surface temperature so much lower than Earth's?
A. The Moon has no atmosphere to help retain heat at its surface.
B. The Moon's rotation rate is much slower than Earth's.
C. The Moon is much smaller than Earth and cooled more quickly.
D. The Moon reflects more of the Sun's energy than Earth.
E. The Moon has no magnetic field to prevent infrared radiation from escaping.
Answer: A
You might also like to view...
Nuclear reactions in stars manufacture energy and heavy atoms under the supervision of a natural thermostat
Indicate whether the statement is true or false
Current observations indicate that the amount of baryonic matter and dark matter in the universe
a. is sufficient great enough to overcome the expansion of the universe. b. implies that the universe is closed. c. is mostly in the form of black holes and quasars. d. are roughly equal. e. implies that the universe is open.
Charges q and Q are placed on the x axis at x = 0 and x = 2.0 m, respectively. If q = ?40 pC and Q = +30 pC, determine the net flux through a spherical surface (radius = 1.0 m) centered on the origin
a. ?9.6 N / m2/C b. ?6.8 N / m2/C c. ?8.5 N / m2/C d. ?4.5 N / m2/C e. ?1.1 N / m2/C
How is the resistance R related to the voltage V across the resistor and the current I through it, according to Ohm's law?
a. R = VI b. R = V + I c. R = I / V d. R = V / I e. R = I 2 V