Author Question: If the angular size of a spherical object is known, along with its distance from Earth, what third ... (Read 81 times)

809779 · **on:** Jul 27, 2018

If the angular size of a spherical object is known, along with its distance from Earth, what third quantity can be determined?

A) the object's brightness
B) the object's mass
C) the baseline
D) the object's diameter

Question 2

Within Earth's atmosphere, in which layer does convection occur?

A) the troposphere
B) the stratosphere
C) the mesosphere
D) the ionosphere
E) Convection occurs in all layers of Earth's atmosphere.