On average the moon's umbral shadow is a. to bright to produce ...

[bobbysung]

On average the moon's umbral shadow is
 
  a. to bright to produce a total solar eclipse.
  b. to faint to produce a total solar eclipse.
  c. to wide to produce a total solar eclipse.
  d. too long to produce a total solar eclipse.
  e. to short to produce a total solar eclipse.

Question 2

In a binary system, the more massive star
 
  a. is at the center of mass.
  b. is farthest from the center of mass.
  c. is nearest the center of mass.
  d. follows the largest orbit.
  e. shows a larger Doppler shift in its spectral lines.

[Athena23]

Answer to Question 1

E

Answer to Question 2

C

[bobbysung]

Thanks for the timely response, appreciate it

[tkempin]

Great answer, keep it coming