6The sideral period of the moon a. is about 27.32 days long. ...

[stock]

6The sideral period of the moon
 
  a. is about 27.32 days long.
  b. is the period of time for the moon to orbit Earth once with respect to the stars.
  c. is the period of time between successive eclipses at a given location on Earth.
  d. is the period of time from when the moon rises until the moon rises again the next night.
  e. a and b above

Question 2

Parallax would be easier to measure if
 
  a. Earth's orbit was larger.
  b. the stars were farther away.
  c. Earth moved faster along its orbit.
  d. all of these
  e. none of these

[juicepod]

Answer to Question 1

E

Answer to Question 2

A

[stock]

Thanks for the timely response, appreciate it

[kthug]

Gracias!