If a star appears to move relative to other stars over a one-year ...

[mmm]

If a star appears to move relative to other stars over a one-year period, this motion is due to the star's
 
  A) transverse motion.
  B) radial motion.
  C) parallax shift.
  D) Doppler shift.
  E) true space motion.

Question 2

According to modern scientific dating techniques, approximately how old is the solar system?
 
  A) 10,000 years
  B) 4.6 million years
  C) 4.5 billion years
  D) 14 billion years

[jaykayy05]

Answer to Question 1

E

Answer to Question 2

C

[mmm]

Thanks for the timely response, appreciate it

[covalentbond]

Great answer, keep it coming