Figure 18-12 (for the following questions)
The change from a radiation-dominated to a matter-dominated Universe occurred at a temperature closest to ____ of degrees Kelvin.
A) millions
B) hundreds of thousands
C) tens of thousands
D) thousands
E) hundreds

Question

Figure 18-12 (for the following questions)
The change from a radiation-dominated to a matter-dominated Universe occurred at a temperature closest to ____ of degrees Kelvin.
A) millions 
B) hundreds of thousands 
C) tens of thousands 
D) thousands 
E) hundreds

Quizplus · Accepted Answer

The transition from radiation domination to matter domination is estimated to have occurred at a temperature of around 30,000 K.

Figure 18-12 (For the Following Questions)