The cosmic microwave background is the total of all the radio emissions from all thegalaxies and quasars in the universe.
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Q18: The low-density universe is an open one,
Q19: The closed universe would give the cosmos
Q20: All the known matter and energy,
Q21: The Hubble time is expressed as:
A)H ×
Q22: In which of the following models will
Q24: From the 1970s to the present, the
Q25: The presently accepted value of the Hubble
Q26: If the Hubble Constant is 70 km/sec/Mpc,
Q27: While a variety of factors can produce
Q28: What is the Big Bang?
A)an enormous explosion
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