How much time after the Big Bang did electron/positron creation cease?
A) 10-9 seconds
B) 1 minute
C) 4 hours
D) 1 year
E) 1000
Correct Answer:
Verified
Q28: The cosmic microwave background radiation was emitted
Q32: Clusters of galaxies are distributed in space
Q40: Modern observations have shown that the geometry
Q41: The gas created by the Big Bang
Q41: The four fundamental forces in the Universe
Q42: If the dark energy is described by
Q50: Scientists who study the Universe as a
Q55: The acceleration of the Universe depends on
Q56: The separation of the strong force and
Q60: Einstein's theory of mass-energy equivalence shows that
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