Multiple Choice
What method is being used to discover whether we live in an unbounded universe,in which expansion will continue forever,or a bounded universe,in which expansion will eventually turn into contraction and lead us to re-collapse?
A) careful monitoring of the Moon-Earth distance to detect the slowdown of the expansion of the universe
B) measurement of the deviation from uniformity of the cosmic background radiation
C) measurement of the curvature of the Hubble relationship, v = H₀ d, at large distances
D) measurement of the bending of light by distant galaxies as it follows the curvature of space
Correct Answer:
Verified
Correct Answer:
Verified
Q3: During the first one-ten-thousandth of a second
Q4: Immediately after the cosmological singularity,the four forces
Q5: If space were flat and there were
Q6: The cosmic microwave background was discovered by:<br>A)
Q7: Within the first second after the Big
Q9: The physical force that controls the structure
Q10: How was the cosmic microwave background radiation
Q11: In which period of time are we
Q12: If the geometry of space is hyperbolic,what
Q13: Why did Einstein introduce his cosmological constant