If a beam of blue light has a wavelength of 400 nm is emitted by ...

[lb_gilbert]

If a beam of blue light has a wavelength of 400 nm is emitted by an object moving away from you at 1 of the speed of light, what wavelength would you see from this light?
 
  A) 396 nm
  B) 399 nm
  C) 400 nm
  D) 401 nm
  E) 404 nm

Question 2

Complex molecules in space are found:
 
  A) in the photospheres of red giant stars.
  B) inside dense dust clouds.
  C) in the coronas of stars like our Sun.
  D) scattered evenly throughout interstellar space.
  E) surrounding the more energetic young stars.

[blfontai]

Answer to Question 1

A

Answer to Question 2

B

[lb_gilbert]

Thank you!

[blfontai]

Always glad to help...