Quiz
The Milky Way
2 years ago by
craniumfire
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  • Question 1
    30 seconds
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    Q.

    Our "hometown" is a vast, flat, disk-shaped collection of gas, dust, and stars called ___

    answer choices

    the Andromeda Galaxy

    the Milky Way Galaxy

    the Large Magellanic Cloud

    the Triangulum Galaxy

  • Question 2
    30 seconds
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    Q.

    How far is it across the Milky Way Galaxy?

    answer choices

    100 light years across

    1,000 light years across

    10,000 light years across

    100,000 light years across

  • Question 3
    30 seconds
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    Q.

    How many stars are in the Milky Way Galaxy?

    answer choices

    tens of millions

    hundreds of millions

    tens of billions

    hundreds of billions

  • Question 4
    30 seconds
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    Q.

    Where are we, Earthlings, located in the Milky Way Galaxy?

    answer choices

    precisely at the center

    near the center

    halfway out from the center

    at the outer edge

  • Question 5
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    Q.

    How many major spiral arms are in the Milky Way Galaxy?

    answer choices

    one

    two

    three

    four

  • Question 6
    30 seconds
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    Q.

    The elongated, roughly cylindrical bar at the center of our galaxy is composed mostly of ___

    answer choices

    young blue stars

    old blue stars

    young red stars

    old red stars

  • Question 7
    30 seconds
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    Q.

    The ancient Greeks called the glowing pathway of stars in the sky "galaxius", which means ___

    answer choices

    river

    glowing

    path of light

    milky

  • Question 8
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    Q.

    Which astronomer discovered that the glowing cloudy Milky Way was actually made up of stars?

    answer choices

    Isaac Newton

    Tycho Brahe

    Galileo Galilei

    Johannes Kepler

  • Question 9
    30 seconds
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    Q.

    Early maps of the galaxy, which placed the Sun near the center, didn't account for ___

    answer choices

    black holes

    interstellar dust

    globular clusters

    neutron stars

  • Question 10
    30 seconds
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    Q.

    What "spherical balls of stars" helped determine that the Sun wasn't at the center of the galaxy?

    answer choices

    globular clusters

    Magellanic clouds

    open clusters

    ball nebula

  • Question 11
    30 seconds
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    Q.

    From inside the Milky Way we see it as a broad line in the sky with a central bulge in the direction of ___

    answer choices

    Sagittarius

    Cygnus

    Orion

    Ursa Major

  • Question 12
    30 seconds
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    Q.

    Interstellar dust restricts our view, so the structure of the Milky Way was determined by measuring ___

    answer choices

    gravitational waves

    x-rays

    infrared light

    radio waves

  • Question 13
    30 seconds
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    Q.

    The spiral arms of our galaxy can best be thought of as ___

    answer choices

    structures

    string on a spool

    traffic jams

    circular wave fronts

  • Question 14
    30 seconds
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    Q.

    How long does our Sun take to orbit the galaxy?

    answer choices

    about 25 million years

    about 250 million years

    about 2 billion years

    about 5 billion years

  • Question 15
    30 seconds
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    Q.

    Collisions of nebula in the spiral arms form massive, luminous, hot stars that make the arms appear ___

    answer choices

    yellow

    red

    green

    blue

  • Question 16
    30 seconds
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    Q.

    Our Sun is located just outside one of the smaller arms called ___

    answer choices

    the Perseus Arm

    the Orion Arm

    the Centaurus Arm

    the Sagittarius Arm

  • Question 17
    30 seconds
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    Q.

    How long is the cylindrical bar of red stars at the center of our galaxy?

    answer choices

    20 light years long

    200 light years long

    2,000 light years long

    20,000 light years long

  • Question 18
    30 seconds
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    Q.

    What object sits at the very center of our galaxy?

    answer choices

    a protostar

    a red hypergiant

    a massive black hole

    a neutron star

  • Question 19
    30 seconds
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    Q.

    The black hole at the center of our galaxy has a mass of ___

    answer choices

    4 times the mass of the Sun

    4 thousand times the mass of the Sun

    4 million times the mass of the Sun

    4 billion times the mass of the Sun

  • Question 20
    30 seconds
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    Q.

    The vast spherical cloud of old stars surrounding the Milky Way is called ___

    answer choices

    the crown of light

    the aurora

    the corona

    the halo

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