The First Step in the Proton-Proton Chain Produces an Antielectron,or

question 110

Multiple Choice

The first step in the proton-proton chain produces an antielectron,or positron.What happens to the positron?

• A)It slowly works its way to the Sun's surface,where it escapes into space.
• B)It rapidly escapes from the Sun,traveling into space at nearly the speed of light.
• C)It is rapidly converted to energy when it meets an ordinary electron,resulting in matter-antimatter annihilation.
• D)It quickly meets an ordinary electron,forming an electron-positron pair that remains stable.
• E)It joins with a nearby neutron to form a proton.

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