Author Question: If a light-emitting object is moving away from you, you observe its wavelengths to be ________ its ... (Read 72 times)

azncindy619 · **on:** Jul 27, 2018

If a light-emitting object is moving away from you, you observe its wavelengths to be ________ its wavelengths if it were at rest.

a. longer than
b. shorter than
c. the same as

Question 2

Earth's orbit is nearly circular, varying by only a few percent in distance from the Sun over one orbital period.

a. True
b. False
Indicate whether the statement is true or false