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Quiz 21: Cosmology
Terms in this set (10)
Homogeneity and isotropy, taken as assumptions regarding the structure and evolution of the universe, are known as:
the Cosmological Principle
The center of the universe
does not exist anywhere in space.
What is the meaning of a "open" universe?
The universe will expand forever
The discovery of the cosmic microwave background was important because
it was was experimental verification of a prediction from the Big Bang theory.
The expansion rate of the Universe is
Who is credited with the discovery of the cosmic microwave background radiation:
Penzias and Wilson
From what astronomers can see, the geometry of the universe if flat.
Gravity slows the expansion of the universe; dark matter accelerates it.
What is the presently accepted value for the age of the universe?
13.8 billion years
The critical evidence for cosmic acceleration in 1998 came from two teams of astronomers, both observing:
type I supernovae.
This set is often in folders with...
Quiz 13: Star Properties
Quiz 14: Star Formation
Quiz 15: Stellar Evolution
Quiz 16: Stellar Explosions
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