Cosmology

Which description is considered most accurate regarding what actually happened during the Big Bang?

• Two galaxies collided causing an immense explosion as stars crashed into one another

• All of what would become the universe was concentrated in a single small point, or singularity, which rapidly expanded into what is now stars, planets, galaxies, matter, and energy.

• All matter emerged from a massive black hole at the center of the universe.

• Parts of the sun were ripped off by massive internal explosions and were thrown into space where they cooled to become other things, like plants, comets, and other galaxies.

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If something that makes light is moving away from you, it spreads the wavelengths of light out. This application of the Doppler effect is known as ___.

• blue shift

• green shift

• red shift

• black shift

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A date that is commonly accepted by Big Bang theorists for the Big Bang is ____ years ago.

• One hundred thousand

• Two hundred and fifty million

• Thirteen point seven billion

• Ten trillion

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Most distant galaxies show a red shift. This is considered evidence that the universe is ___.

• getting cooler

• expanding

• condensing into a small point

• swirling around

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Observations of space indicate that most matter in the universe is ___.

• hydrogen, helium, and dark matter

• gold and plutonium

• oxygen and water vapor

• carbon

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Cosmic Microwave Background Radiation is a form of _________.

• Matter

• Energy

• Visible Light

• Water

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NGSS.HS-PS4-3

As galaxies move away from our galaxy

a shift on the electromagnetic spectrum is noticed. This phenomena is

called _____________.

• redshift

• blueshift

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How does Cosmic Microwave Background Radiation support the Big Bang Theory?

• Microwaves are found everywhere in the universe.

• Microwaves occurred at the time of the Big Bang

• Microwaves are useful in our everyday lives

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The Big Bang Theory explains the formation of the...

• Earth

• Sun

• Universe

• Solar System

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What does the Big Bang theory suggest?

• The universe was just there
• The Milky Way is the only solar system
• The universe is continually expanding
• The universe is collapsing in toward a single point

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