Multiple Choice
Even with infinitely powerful telescopes,we can look back in time only until
A) when galaxies were first formed.
B) when hydrogen and helium were formed.
C) when gravity was quantum mechanical.
D) the time of recombination.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q6: Explain why astronomers cannot accurately model the
Q34: The four fundamental forces of nature are
Q37: Current observations suggest that the density of
Q38: The flatness problem arises because only a
Q38: What is the "flatness problem" in cosmology?
Q39: Why does a unified force split to
Q40: Why does the overall mass and energy
Q43: The theory of inflation assumes that at
Q45: By the time the universe was 5
Q69: Observations of Type I supernovae in distant