Hierarchy Of The Universe Quiz

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| By Nataliekrops
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Nataliekrops
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Quizzes Created: 2 | Total Attempts: 15,351
| Attempts: 4,383
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  • 1/5 Questions

    A light year is a measure of how fast and far ______ travels in a _______. (separate answers with a comma).

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About This Quiz

Explore the vastness of the universe with the 'Hierarchy of the Universe Quiz'. This quiz assesses knowledge on cosmic distances, solar system components, light speed, cosmic object sizes, and star formation. It's perfect for learners curious about astronomy and the fundamental structures of the cosmos.

Hierarchy Of The Universe Quiz - Quiz

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  • 2. 

    A _______ is composed of gas that is so massive and dense that it has achieved nuclear fusion.

    Explanation
    A star is composed of gas that is so massive and dense that it has achieved nuclear fusion. The fusion of hydrogen atoms in the core of a star releases an enormous amount of energy, causing the star to emit light and heat. The sun, which is the closest star to Earth, is also composed of gas and undergoes nuclear fusion in its core, generating energy that sustains life on our planet.

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  • 3. 

    This is the unit of measurement used to describe the distances between objects in the universe, like the distance between one galaxy and another.

    • Lightyear

    • Astronomical Unit

    • Light Minute

    • Kilometers

    Correct Answer
    A. Astronomical Unit
    Explanation
    The correct answer is Astronomical Unit. An Astronomical Unit (AU) is a unit of measurement used in astronomy to describe the distances between objects in the universe. It is defined as the average distance between the Earth and the Sun, which is approximately 93 million miles or 150 million kilometers. It is commonly used to measure distances within our solar system, such as the distance between planets, and is especially useful for measuring the vast distances between celestial objects like galaxies.

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  • 4. 

    Choose all the items that can be found in a solar system.

    • Galaxies

    • Planets

    • Dust

    • Black Holes

    • Moons

    • Asteroids

    • Meteors

    • The universe

    • Star(s)

    Correct Answer(s)
    A. Planets
    A. Dust
    A. Moons
    A. Asteroids
    A. Meteors
    A. Star(s)
    Explanation
    The items that can be found in a solar system are planets, dust, moons, asteroids, meteors, and star(s). Galaxies and black holes are not part of a solar system, as they are much larger structures that contain multiple solar systems. The universe is also not part of a solar system, as it refers to the entirety of space and all its contents.

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  • Current Version
  • Oct 06, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 12, 2015
    Quiz Created by
    Nataliekrops
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