The Big Bang theory predicted (select all that apply) a. the...

The Big Bang theory predicted (select all that apply)
a. the Hubble law.
b. the cosmic microwave background radiation.
c. the cosmological principle.
d. the abundance of helium.
e. the period-luminosity relationship of Cepheid variables.

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Key Concepts

Hubble Law

The Hubble Law is the observation that galaxies recede from each other at speeds proportional to their distances, indicating that the universe is expanding. This empirical relationship was anticipated by the Big Bang Theory and supports the idea of cosmic expansion.

Primordial Nucleosynthesis

Primordial nucleosynthesis refers to the production of light elements, such as helium, during the first few minutes after the Big Bang. The predicted abundances of these elements closely match the observed values, thus validating a critical aspect of the Big Bang model.

Big Bang Theory

The Big Bang Theory is the foundational cosmological model describing the evolution of the universe from an extremely hot and dense initial state. It provides a framework to explain the expansion of the universe and predicts several observable phenomena that support this model.

Cosmic Microwave Background Radiation

This is the residual thermal radiation from the early universe, predicted to permeate all of space as a relic of the hot, dense state soon after the Big Bang. Its uniformity and spectrum have been key pieces of evidence supporting the Big Bang model.

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