Why did electron-positron annihilation occur after proton-antiproton annihilation?
A) Electrons were created after protons.
B) Electrons have less mass than protons.
C) Electrons are negatively charged while protons are positively charged.
D) Electrons require higher-energy gamma rays to form.
Correct Answer:
Verified
Q13: What is the assumption of homogeneity?
A)that the
Q15: Which of the following applies if the
Q19: What was the temperature of the universe
Q24: What is the name for the period
Q25: Approximately how long after the big bang
Q26: How long after the big bang could
Q27: The cosmic background radiation comes from a
Q28: As the universe cooled, it eventually reached
Q30: How does the geometry of a gravity-dominated
Q32: What does a cosmological redshift tell you?
A)
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents