Multiple Choice
Cosmology: If the density of the universe is less than the critical density, then the total energy of the universe is
A) positive.
B) negative.
C) zero.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q40: Conservation laws: The reaction p + e<sup>-</sup>
Q41: Quarks: Which of the following particles is
Q42: Quarks: Which of the following particles are
Q43: Hubble's law: A galaxy is observed receding
Q44: Stars: Earth's orbit around the sun has
Q46: Conservation laws: Consider the possibility that a
Q47: Conservation laws: The reaction p + →
Q48: Hubble's law: If a galaxy is moving
Q49: Hubble's law: The H<sub>α</sub> spectral line of
Q50: Conservation laws: Consider the decay π<sup>o</sup> →