The Critical Temperature to Initiate the Proton-Proton Cycle in the Cores

question 54

Multiple Choice

The critical temperature to initiate the proton-proton cycle in the cores of stars is:

• A)3,000 K.
• B)5,800 K.
• C)2,300,000 K.
• D)10 million K.
• E)100 million K.