Multiple Choice
Which of the following did NOT happen during the first few minutes after the Big Bang?
A) temperatures throughout the universe were hotter than the cores of stars are today
B) two or three of the simplest elements fused together
C) energy was converted to matter
D) some very massive early stars formed
E) matter and antimatter collided and turned into energy
Correct Answer:

Verified
Correct Answer:
Verified
Q2: In describing the universe using his equations
Q3: Which of the following statements about dark
Q4: The reciprocal of the Hubble constant (1/H)
Q5: Which of the following statements about the
Q6: Today, we believe that only a small
Q8: The first satellite (spacecraft with instruments) to
Q9: How does a period of extremely fast
Q10: The standard bulbs (standard candles) that made
Q11: Why did Einstein introduce the cosmological constant
Q12: According to our textbook, roughly what percent