Big Bang And Red Shift

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    Scientists have also detected a cosmic microwave background radiation or CMBR. This is received from all parts of the Universe and is thought to be the heat left over from the original explosion. 

    • True
    • False
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About This Quiz

Explore the origins and structure of the universe in this quiz focusing on the Big Bang and red shift. Questions cover topics like the cosmic microwave background radiation, the expansion of galaxies, and the composition of celestial bodies, enhancing understanding of cosmology and astronomy.

Cosmology Quizzes & Trivia

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  • 2. 
    All the galaxies are moving_______ from us  - ProProfs

    All the galaxies are moving_______ from us 

    Explanation
    The correct answer is "away" because the phrase "from us" indicates the direction of movement. Since all the galaxies are moving away from us, it suggests that the universe is expanding. This is supported by the observation of redshift in the light emitted by distant galaxies, which indicates that they are moving away from us at increasing speeds.

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  • 3. 
    Does the sun contain helium - ProProfs

    Does the sun contain helium

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The sun does contain helium. Helium is one of the main elements present in the sun's composition. It is formed through nuclear fusion processes in the sun's core, where hydrogen atoms combine to form helium. This process releases a tremendous amount of energy and is responsible for the sun's heat and light. Helium is also found in the sun's outer layers and is constantly being produced and replenished through the sun's ongoing fusion reactions. Therefore, it is accurate to say that the sun contains helium.

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  • 4. 
    Why is the light from distant galaxies red shifted? - ProProfs

    Why is the light from distant galaxies red shifted?

    • They produce more red light than nearby galaxies.

    • They are moving away from us

    • Because light in outer space is red

    • The longer wavelengths are filtered out by dust

    Correct Answer
    A. They are moving away from us
    Explanation
    The light from distant galaxies is red shifted because they are moving away from us. This is known as the Doppler effect, where the wavelength of light appears longer when the source is moving away from the observer. As the galaxies move farther away, the light waves get stretched, causing them to shift towards the red end of the spectrum. This phenomenon provides evidence for the expansion of the universe.

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  • 5. 
    What does Red shift tell us? - ProProfs

    What does Red shift tell us?

    • Red things get hotter

    • Hot things get redder

    • The object is moving slowly towards us

    • The object is moving quickly away from us

    Correct Answer
    A. The object is moving quickly away from us
    Explanation
    The red shift phenomenon refers to the observation that light from distant objects in space appears to be shifted towards longer (redder) wavelengths. This is a result of the Doppler effect, where the wavelength of light is stretched as an object moves away from the observer. Therefore, the correct answer is that the object is moving quickly away from us.

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  • 6. 
    The further away a galaxy is, the _______ it is moving away.  - ProProfs

    The further away a galaxy is, the _______ it is moving away. 

    Correct Answer
    faster
    Explanation
    As per the question, the further away a galaxy is, the answer is "faster" it is moving away. This is due to the concept of the expansion of the universe. According to Hubble's law, galaxies are moving away from each other, and the rate of this movement increases with distance. This phenomenon is explained by the expansion of space itself, causing galaxies to move apart at a faster pace the further they are from each other.

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  • 7. 

    What is the Universe?

    • All the substance in the solar system

    • All the substance in our Galaxy

    • Everything that exists

    • The Earth and the Moon together

    Correct Answer
    A. Everything that exists
    Explanation
    The correct answer is "Everything that exists." This answer encompasses all aspects of the universe, including the substance in the solar system, our galaxy, and even beyond. It implies that the universe is not limited to just a specific region or celestial bodies, but rather encompasses all matter, energy, and space that exist.

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  • 8. 
    When was all the matter in the Universe concentrated into a single incredibly tiny point - ProProfs

    When was all the matter in the Universe concentrated into a single incredibly tiny point

    • 16.8 trillion ago

    • 2 years ago

    • 13.7 billion ago

    • 14.8 billion ago

    Correct Answer
    A. 13.7 billion ago
    Explanation
    The correct answer is 13.7 billion years ago. This is based on the widely accepted scientific theory of the Big Bang, which states that the universe began as a singularity, a point of infinite density and temperature. Approximately 13.7 billion years ago, this singularity began to rapidly expand, leading to the formation of all matter and the universe as we know it today.

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  • 9. 
    How the universe might end depends on...? - ProProfs

    How the universe might end depends on...?

    • The temperature of the stars

    • The amount of mass present

    • The colour of the stars

    • The amount of trees on mars

    Correct Answer
    A. The amount of mass present
    Explanation
    The amount of mass present determines how the universe might end because it influences the gravitational forces at play. If there is enough mass, the universe could collapse under its own gravity in a "Big Crunch" scenario. On the other hand, if there is not enough mass, the universe may continue to expand indefinitely, leading to a "Big Freeze" or "Heat Death" scenario. The temperature and color of stars, as well as the amount of trees on Mars, do not directly affect the fate of the universe.

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  • 10. 
    All the matter in the universe was concentrated into a single incredibly ______ point - ProProfs

    All the matter in the universe was concentrated into a single incredibly ______ point

    Correct Answer
    tiny
    Explanation
    The correct answer is "tiny" because the question states that all the matter in the universe was concentrated into a single point. The word "tiny" accurately describes the size of this point, suggesting that it was extremely small.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 15, 2015
    Quiz Created by
    Fab_ak
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