Quiz
Everything, The Universe...And Life
2 years ago by
craniumfire
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  • Question 1
    30 seconds
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    Q.

    What field of astronomy does Phil Plait find the most exciting right now?

    answer choices

    stellar nucleosynthesis

    black holes

    exoplanets

    active galaxies

  • Question 2
    30 seconds
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    Q.

    When was the first confirmed detection of an exoplanet?

    answer choices

    1972

    1982

    1992

    2002

  • Question 3
    30 seconds
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    Q.

    Most of the detected exoplanets are giants, and likely to have very thick atmospheres like ___

    answer choices

    Mercury or Venus

    Venus or Mars

    Mars or Pluto

    Neptune or Jupiter

  • Question 4
    30 seconds
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    Q.

    In Earth-like atmospheres, which molecules are extremely reactive, and won't last long without being replenished?

    answer choices

    oxygen

    nitrogen

    carbon dioxide

    argon

  • Question 5
    30 seconds
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    Q.

    In Earth-like atmospheres, what is the easiest way we know to replenish oxygen?

    answer choices

    combustion

    biology

    stellar nucleosynthesis

    addition reactions

  • Question 6
    30 seconds
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    Q.

    Which infrared space telescope is designed to look for the signature of oxygen on distant worlds?

    answer choices

    the Spitzer Space Telescope

    Wide Field Infrared Explorer (WIRE)

    the Einstein Observatory (HEAO 2)

    the James Webb Space Telescope

  • Question 7
    30 seconds
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    Q.

    We now think that most stars in the galaxy have planets. How many stars are in our galaxy?

    answer choices

    under 20 million stars

    about 200 million stars

    about 20 billion stars

    over 200 billion stars

  • Question 8
    30 seconds
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    Q.

    We see traces of life on Earth going back nearly ___

    answer choices

    4 million years

    40 million years

    4 billion years

    40 billion years

  • Question 9
    30 seconds
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    Q.

    Life existed on Earth not too long after it cooled enough to have ___

    answer choices

    liquid water on its surface

    solid water on its surface

    an oxygen atmosphere

    gaseous water in the atmosphere

  • Question 10
    30 seconds
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    Q.

    For most of Earth's history the most advanced life was basically ___

    answer choices

    minerals

    algae

    Carboniferous plants

    primates

  • Question 11
    30 seconds
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    Q.

    For communicating information across space, you don't need a lot of super sophisticated tech to make ___

    answer choices

    sound waves

    radio waves

    an interstellar version of the Pony Express

    a spaceship

  • Question 12
    30 seconds
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    Q.

    SETI stands for ___

    answer choices

    the "search for earth terraforming intelligence"

    the "search for extraterrestrial intelligence"

    the "seismic engineering of terrestrial intelligence"

    the "space for extraterrestrial interference"

  • Question 13
    30 seconds
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    Q.

    We've detected exoplanets older than our Earth. How old is our Earth?

    answer choices

    about 4.5 million years old

    about 45 million years old

    about 4.5 billion years old

    about 45 billion years old

  • Question 14
    30 seconds
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    Q.

    The folks at SETI scan the skies at various ___

    answer choices

    ultrasonic frequencies

    infrasonic frequencies

    radio wavelengths

    infrared wavelengths

  • Question 15
    30 seconds
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    Q.

    The SETI scientist Seth Shostak predicts that, if anyone out there is broadcasting, we'll pick up the signal in ___

    answer choices

    the next 5 years

    the next 20 years

    the next 50 years

    the next 200 years

  • Question 16
    30 seconds
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    Q.

    We now stand on the edge of understanding some our grandest questions, because of ___

    answer choices

    religion

    philosophy

    science

    theology

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