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How Much Do You Actually Know About Astronomy?

The sun is dying!!!

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  1. Which of these is a gaseous planet?
    Getty Images
    Correct
    Incorrect
    Saturn
    Correct
    Incorrect
    Earth
    Correct
    Incorrect
    Mercury
    Correct
    Incorrect
    Venus
    Correct!
    Wrong!

    Saturn is a gaseous planet.

  2. Which planet has the smallest diameter?
    Getty Images
    Correct
    Incorrect
    Neptune
    Correct
    Incorrect
    Mercury
    Correct
    Incorrect
    Venus
    Correct
    Incorrect
    Mars
    Correct!
    Wrong!

    Mercury has the smallest diameter of 4,878 km. It's pretty much the size of two fifths of the Earth.

  3. Which is the hottest planet in our solar system?
    Getty Images
    Correct
    Incorrect
    Mercury
    Correct
    Incorrect
    Venus
    Correct
    Incorrect
    Earth
    Correct
    Incorrect
    Mars
    Correct!
    Wrong!

    Venus is the hottest planet even though Mercury is closer to the Sun. It has a super thick atmosphere comprising of mostly carbon dioxide to thank for the greenhouse effect that keeps it so warm.

  4. Roughly how long would it take to get from Earth to Mars?
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    Correct
    Incorrect
    8 months
    Correct
    Incorrect
    11 months
    Correct
    Incorrect
    1.6 years
    Correct
    Incorrect
    2 years
    Correct!
    Wrong!

    It can take anywhere between 150-300 days to get to Mars depending on the speed of launch, and the alignment of the two planets. A typical journey with today's technology, during Mars' closest approach to the Earth, takes about 8 months.

  5. Which planet does the moon "Juliet" orbit?
    Getty Images
    Correct!
    Wrong!

    Juliet belongs to Uranus.

  6. Which is the slowest rotating planet in our solar system?
    Getty Images
    Correct
    Incorrect
    Jupiter
    Correct
    Incorrect
    Venus
    Correct
    Incorrect
    Neptune
    Correct
    Incorrect
    Uranus
    Correct!
    Wrong!

    It takes Venus 243 Earth days to complete one full rotation, compared to the 24 hours it takes the Earth.

  7. How many moons does Neptune have?
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    Correct
    Incorrect
    2
    Correct
    Incorrect
    3
    Correct
    Incorrect
    7
    Correct
    Incorrect
    14
    Correct!
    Wrong!

    Neptune has 14 known moons!

  8. Approximately how many stars are there in the universe?
    Getty Images
    Correct
    Incorrect
    1,000,000,<br>000<br>
    Correct
    Incorrect
    1,000,000,
000,000
    Correct
    Incorrect
    1,000,000,
000,000,
000,000,&nbsp;
    Correct
    Incorrect
    1,000,000,
000,000,<br>000,000,<br>000,000
    Correct!
    Wrong!

    There are at least 1,000,000, 000,000, 000,000, 000,000 stars in the universe... aka 10^24... aka a trillion trillion.

  9. Name a modern constellation beginning with the letter C
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    Correct!
    Wrong!

    Some of the most widely known constellations include Cassiopeia, Cygnus, Canis Major, Capricornus, Cetus, and Cancer.

  10. What are Saturn's rings made of?
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    Correct
    Incorrect
    Ice, dust, and rocks
    Correct
    Incorrect
    Hydrogen
    Correct
    Incorrect
    Solid ice
    Correct
    Incorrect
    Clumps of concentrated dust and space matter
    Correct!
    Wrong!

    Saturn's rings consist predominantly of ice as well as dust and rock accumulated from passing comets, meteorite impacts, and the planet’s gravity pulling material from its moons.

  11. Approximately how many years is the sun estimated to have left in its lifetime?
    Getty Images
    Correct
    Incorrect
    2000
    Correct
    Incorrect
    2 billion
    Correct
    Incorrect
    5 billion
    Correct
    Incorrect
    ∞
    Correct!
    Wrong!

    The sun has roughly 5 billion years worth of hydrogen left to burn off.

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