Redshift measurements of the visible afterglow of a gamma-ray ...

[DelorasTo]

Redshift measurements of the visible afterglow of a gamma-ray burst show that these objects are:
 
  A) in the solar neighborhood.
  B) in the Milky Way Galaxy.
  C) in the Local Group.
  D) billions of light-years away.
  E) at the most extreme observable distances.

Question 2

The critical evidence for cosmic acceleration in 1998 came from two teams of astronomers, both observing:
 
  A) hypernovae.
  B) gamma ray bursts.
  C) type I supernovae.
  D) type II supernovae.
  E) ages of globular clusters.

[JCABRERA33]

Answer to Question 1

D

Answer to Question 2

C

[DelorasTo]

TYSM

[Liamb2179]

Gracias!