Why is it that the quasars we see represent a time when the ...

[xclash]

Why is it that the quasars we see represent a time when the universe was younger?
 
  What will be an ideal response?

Question 2

Which statement about seismic waves is TRUE?
 
  A) Only S waves can travel through liquid.
  B) P waves travel faster, and thus arrive sooner than do the S waves.
  C) In the shadow zones, neither type is observed.
  D) S waves can travel though the outer core, but P waves cannot.
  E) On the far side of the Earth, only the S waves on the surface can be detected.

[parshano]

Answer to Question 1

Quasars have very large redshifts, corresponding to large cosmological distances. Since the light they emitted travels at a finite velocity, it must have left the quasar many billions of years ago.

Answer to Question 2

B

[xclash]

Gracias!

[steff9894]

Thanks for the timely response, appreciate it