Author Question: Redshift measurements of the visible afterglow of a gamma-ray burst show that these objects are: ... (Read 30 times)

DelorasTo · **on:** Jul 27, 2018

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.