The curvature of space can be measured by...
A) drawing triangles on the surface of Earth and adding up the angles.
B) by studying the redshift of light from distant galaxies.
C) by studying the ratio of helium and lithium produced in the Big Bang to hydrogen.
D) studying the fluctuations in the cosmic microwave background radiation.
Correct Answer:
Verified
Q40: Where did helium come from the early
Q41: What is a quark?
A) a remote active
Q42: The Big Bang theory can explain
A) the
Q43: In a positively-curved Universe (the surface of
Q44: In a negatively-curved Universe (like the surface
Q46: Which of the following are predictions of
Q47: Within cosmology, inflation is the idea that...
A)
Q48: Which Big Bang "puzzles" does the inflationary
Q49: In a GUT (Grand Unified Theory), what
Q50: The discovery that the Universe is expanding
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