History of the Universe

Approximately how old is the Universe?

• 12 Billion years old

• 6 Billion years old

• 13.7 Billion years old

• 12.3 Billion years old

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Branch of astronomy that deals with the origin, large-scale properties, and the evolution of the observable universe.

• Cosmology

• Universe

• Light Year

• Big Bang

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How do scientists believe the universe was created?

• The "Big Bang" theory.

• The "Theory of Evolution."

• The sun exploding.

• None of these.

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Scientists theorize that the portion of the universe visible today expanded explosively from a hot, dense mass about 14 billion years ago. What is evidence for this “big bang”?

• tides on Earth caused by the big bang’s gravitational forces

• volcanoes on Venus, which erupt because of the force of the “big bang”

• cosmic background radiation, which is energy left over from the big bang

• the formation of black holes caused by the collapse of very hot dense massive stars

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Which theory explains the origin of the universe?

• Heliocentric theory

• Geocentric theory

• Big Bang theory

• Meteorite theory

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What is the name of the most widely accepted scientific theory of how the Universe formed?

• Steady State

• Big Bang

• Heliocentric

• Geocentric

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The "afterglow" of the energy from the origin of the universe that we detect today.

• Cosmic microwave radiation

• sunlight

• Doppler effect

• Cosmic explosions

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Which of the following is the most popular scientific theory for the formation of our universe? ​ (a)  

• Big bang theory

• Simulation theory

• Steady State theory

• Galactocentric theory

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What is the existence of cosmic background radiation evidence for?

• energy left over from the big bang

• nuclear power plants

• remnants of radiation from nuclear tests during the Cold War

• the formation of black holes caused by the collapse of very hot, dense, massive stars

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In the past the Universe was ___

• denser, more crowded, and colder

• rarified, less crowded, and colder

• denser, more crowded, and hotter

• rarified, less crowded, and hotter

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