Components of the Universe
7 months ago
mparker_49838
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  • Question 1
    30 seconds
    Q.

    A system of stars, gas, dust, and dark matter bound together by gravity is called -

    answer choices

    an asteroid

    a moon

    a galaxy

    a nebula

  • Question 2
    30 seconds
    Q.

    Which of the following describes a nebula?

    answer choices

    A cloud of gas and dust where new stars form

    An oval-shaped cluster of densely packed stars

    An explosion at the end of a giant star’s life

    A star and all the planets that revolve around it

  • Question 3
    30 seconds
    Q.

    A system of stars, gas, dust, and dark matter bound together by gravity is called -

    answer choices

    an asteroid.

    a moon.

    a galaxy.

    a nebula.

  • Question 4
    30 seconds
    Q.

    Elliptical, spiral, and irregular are all classifications of the overall shape of which of the following?

    answer choices

    stars

    galaxies

    nebulae

    comets

  • Question 5
    30 seconds
    Q.

    A spiral galaxy is best described as an extremely large group of stars -

    answer choices

    arranged in arms encircling a dense center.

    all packed into a spherical, dense center.

    arranged in the shape of a flattened ball.

    and gases arranged in no specific shape.

  • Question 6
    30 seconds
    Q.

    Which of the following best describes a star? A star is a celestial body -

    answer choices

    composed of rock and metal with a very high density.

    that is too big to be an asteroid, but too small to be a planet.

    that rotates on an axis and revolves around the Sun.

    composed of gases that emit light due to nuclear reactions.

  • Question 7
    30 seconds
    Q.

    Which of the following best describes a nebula? A nebula is -

    answer choices

    a region in the solar system that is occupied by irregularly shaped bodies

    a large and icy celestial body with an irregular orbit around the Sun.

    a natural satellite created by the collision of two large asteroids.

    an interstellar cloud of dust, hydrogen, helium and other gases.

  • Question 8
    30 seconds
    Q.

    Which of the following best describes a galaxy? A galaxy is -

    answer choices

    a particle of debris in the solar system that does not act as a satellite of any planet.

    a visible body of liquid or frozen crystal droplets suspended above a planetary surface

    a massive system of stars, gas, dust and dark matter bound together by gravity.

    the visible path of a meteoroid as it enters Earth’s atmosphere.

  • Question 9
    30 seconds
    Q.

    Stars are made mostly of which two elements?

    answer choices

    hydrogen and helium

    mercury and strontium

    iron and potassium

    krypton and bismuth

  • Question 10
    30 seconds
    Q.

    A system of stars, gas, dust, and dark matter bound together by gravity is called -

    answer choices

    an asteroid

    a nebula

    a galaxy

    a moon

  • Question 11
    30 seconds
    Q.

    A large celestial body made of gases that emits light due to nuclear reactions is called -

    answer choices

    a galaxy

    a nebula

    a comet

    a star

  • Question 12
    30 seconds
    Q.

    Galaxies are classified into all of the following types by their shapes EXCEPT -

    answer choices

    spiral

    elliptical

    lenticular

    crescent

  • Question 13
    30 seconds
    Q.

    Which of the following is an accurate description of the relationship between components of the universe?

    answer choices

    Stars always contain galaxies.

    Galaxies contain many stars.

    Stars contain several nebulae.

    Nebulae contain many galaxies.

  • Question 14
    30 seconds
    Q.

    A characteristic of a nebula is that it -

    answer choices

    is at the center of the solar system.

    is a region where stars are born.

    forms halfway through a star’s life cycle.

    has the coolest temperature in space.

  • Question 15
    30 seconds
    Q.

    Which of the following components of the universe is best described a system of stars, gases, and dust held together by gravity?

    answer choices

    a nebula

    a planet

    a meteor

    a galaxy

  • Question 16
    30 seconds
    Q.

    Galaxies are classified by their shapes into all of the following types EXCEPT -

    answer choices

    spiral galaxy

    irregular galaxy

    oblong galaxy

    elliptical galaxy

  • Question 17
    30 seconds
    Q.

    The stars and all the other matter in a galaxy are held together by which of the following?

    answer choices

    Dark matter

    Inertia

    Gravity

    Magnetism

  • Question 18
    30 seconds
    Q.

    Which of the following components of the universe is best described as an interstellar cloud of dust and gases where stars can form?

    answer choices

    a nebula

    a planet

    a meteor

    a galaxy

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