Multiple Choice
Even with infinitely powerful telescopes, we can look back in time only until the time when
A) galaxies first formed.
B) hydrogen and helium nuclei formed.
C) stars first formed.
D) gravity split from a superforce.
E) recombination happened.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q55: If the Hubble constant had a
Q56: The figure below shows a graph of
Q57: At what temperature would the peak wavelength
Q58: Scientists think that, soon after the Big
Q59: The figure below shows five graphs
Q61: To verify whether some grand unified theories
Q62: As a result of our universe
Q63: To determine how the expansion rate of
Q64: What is needed for a "Big Rip"
Q65: Observations of Type Ia supernovae show that