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Deep Time
2 years ago by
craniumfire
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  • Question 1
    30 seconds
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    Q.

    Compared to human experience, the Universe has been around a long time, nearly ___

    answer choices

    14 thousand years

    14 million years

    14 billion years

    14 trillion years

  • Question 2
    30 seconds
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    Q.

    The notation used for numbers that are really big is called ___

    answer choices

    binary

    hexadecimal

    scientific notation

    standard notation

  • Question 3
    30 seconds
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    Q.

    Scientific notation is a shorthand way of expressing numbers using powers of ___

    answer choices

    2

    8

    10

    16

  • Question 4
    30 seconds
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    Q.

    With scientific notation, every time the exponent goes up by one the actual number is ___

    answer choices

    twice as big

    10 times bigger

    100 times bigger

    1000 times bigger

  • Question 5
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    Q.

    A million is 10 to the sixth, a billion is 10 to the ___

    answer choices

    third

    seventh

    eighth

    ninth

  • Question 6
    30 seconds
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    Q.

    10¹⁸ isn't twice as big as 10⁹, it's ___

    answer choices

    nine times bigger

    eighteen times bigger

    a million times bigger

    a billion times bigger

  • Question 7
    30 seconds
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    Q.

    Astronomers Fred Adams and Greg Laughlin wrote about very long time scales in their book, ___

    answer choices

    The Three Stages of Space-Time

    The Five Ages of the Universe

    The Seven Eons of Time

    The Nine Eras of the Cosmos

  • Question 8
    30 seconds
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    Q.

    The first epic of the Universe, covering from the Big Bang up until the formation of stars, is called ___

    answer choices

    the Big Bang Epoch

    the First Stage

    The Black Aeon

    the Primordial Era

  • Question 9
    30 seconds
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    Q.

    The current era, where stars are the dominant objects, is called ___

    answer choices

    the Age of Light

    the Luminous Stage

    the Stelliferous Era

    the Planetary Age

  • Question 10
    30 seconds
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    Q.

    How long can the lowest mass red dwarf fuse hydrogen into helium?

    answer choices

    about a thousand years

    about a million years

    about a billion years

    about a trillion years

  • Question 11
    30 seconds
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    Q.

    Near the end of the Stelliferous Era, what will happen to the light emitted by galaxies?

    answer choices

    it will redden and dim

    it will dim and be blue-shifted

    it will increase in frequency

    it will brighten and redden

  • Question 12
    30 seconds
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    Q.

    When the last star dies, the only objects left in the universe generating appreciable energy will be ___

    answer choices

    the corpses of stars

    pulsars and black holes

    active galaxies

    quasars

  • Question 13
    30 seconds
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    Q.

    When most objects are supported by various forms of degeneracy pressure, the Universe will appear ___

    answer choices

    red to human eyes

    blue to human eyes

    ultraviolet

    dark to human eyes

  • Question 14
    30 seconds
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    Q.

    In the Degenerate Era, binary white dwarf orbits will decay and the stars will merge and ___

    answer choices

    slowly burn out

    create accretion disks

    form black holes

    explode as supernovae

  • Question 15
    30 seconds
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    Q.

    During the Degenerate Era, which subatomic particle of normal matter will decay?

    answer choices

    electrons

    neutrons

    protons

    quarks

  • Question 16
    30 seconds
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    Q.

    At the end of the Degenerate Era, the only big objects that will be left are ___

    answer choices

    neutron stars

    black holes

    white dwarfs

    brown dwarfs

  • Question 17
    30 seconds
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    Q.

    In the 1970s, which physicist worked out the math of black holes and discovered that they can emit particles?

    answer choices

    Neil deGrasse Tyson

    Stephen Hawking

    Steven Weinberg

    Peter Higgs

  • Question 18
    30 seconds
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    Q.

    Approximately how long will a black hole, with three times the Sun's mass, take to evaporate?

    answer choices

    1022 (10 to the 22nd) years

    1042 (10 to the 42nd) years

    1068 (10 to the 68th) years

    1098 (10 to the 98th) years

  • Question 19
    30 seconds
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    Q.

    Even supermassive black holes in galactic centers evaporate. It takes them about ___

    answer choices

    1062 years

    1072 years

    1082 years

    1092 years

  • Question 20
    30 seconds
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    Q.

    The theoretical model where the cosmic horizon shrinks until it’s smaller than a subatomic particle is called ___

    answer choices

    the Hulk Crush

    the Vast Split

    the Big Rip

    the Colossal Crunch

  • Question 21
    30 seconds
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    Q.

    The term "multiverse" refers to the hypothesis that the Universe ___

    answer choices

    has a nonlinear timeline

    is composed of several layers

    has multiple dimensions

    is one of many Universes

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