Multiple Choice
How do astronomers define the "superforce"?
A) a force connecting electromagnetism with the strong and the weak nuclear forces
B) the GUT, with all five forces combined
C) the GUT, but with no dark energy added in
D) a force connecting gravity and the electroweak force
E) a force including only dark energy and gravity
Correct Answer:
Verified
Correct Answer:
Verified
Q37: At the end of the first fifteen
Q38: In pair production in the Big
Q39: The separation of the _ force from
Q40: What would help scientists probe the
Q41: Cold-dark-matter models predict:<br>A)large-scale filaments containing both normal
Q43: At decoupling, the electrons and protons were
Q44: At this time, the universe is:<br>A)radiation dominated.<br>B)quark
Q45: The crossover point from radiation to
Q46: How does the energy of the cosmic
Q47: Because of their mass, the threshold temperature