Author Question: Which of the following can be determined by using the Doppler effect? I. the speed at which a star ... (Read 26 times)

nummyann · **on:** Jul 27, 2018

Which of the following can be determined by using the Doppler effect? I. the speed at which a star is moving away from an observer II. the transverse velocity of a star III. the radial velocity of a star IV. the speed at which a car is traveling toward an observer

a. I & IV
b. II & III
c. II & IV
d. I & III
e. I, III, & IV

Question 2

A(n) ___________________ _ eclipse occurs when the Moon is at its greatest distance from Earth and the Moon is new and at a node in its orbit.

Fill in the blank(s) with correct word