Concept explainers
(a)
Whether the following Hypothetical observations can be explained by the Big Bang theory or not? Should we abandon the Big Bang theory or revision of Big Bang would be able to explain?
A cluster with an age of 15 billion years.
(b)
Whether the following Hypothetical observations can be explained by the Big Bang theory or not? Should we abandon the Big Bang theory or revision of Big Bang would be able to explain?
A galaxy with an age of 10 million years.
(c)
Whether the following Hypothetical observations can be explained by the Big Bang theory or not? Should we abandon the Big Bang theory or revision of Big Bang would be able to explain?
A galaxy at a distance of 10 billion light years whose spectrum is blue-shifted.
(d)
Whether the following Hypothetical observations can be explained by the Big Bang theory or not? Should we abandon the Big Bang theory or revision of Big Bang would be able to explain?
A galaxy containing 90% hydrogen and 10% Helium.
(e)
Whether the following Hypothetical observations can be explained by the Big Bang theory or not? Should we abandon the Big Bang theory or revision of Big Bang would be able to explain?
Evidence of increase in temperature of cosmic microwave background with time.
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