Which of the following can be determined by using the Doppler ...

[nummyann]

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

[softEldritch]

Answer to Question 1

e

Answer to Question 2

annular

[nummyann]

Thanks for the timely response, appreciate it

[strudel15]

Excellent