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Quiz: How Well Do You Know Space?

From the International Space Station to the edge of interstellar space, find out how much you know about our solar system and beyond.

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  1. 1. How many people can live on the ISS at any one time?

    en.wikipedia.org
    Correct
    Incorrect
    3
    Correct
    Incorrect
    4
    Correct
    Incorrect
    6
    Correct!
    Wrong!

    6.

    It can fit six people in total. You can see how many are up there right now.

  2. 2. Which inner solar system planet is biggest?

    Correct
    Incorrect
    NASA
    Earth
    NASA
    Correct
    Incorrect
    NASA
    Mars
    NASA
    Correct
    Incorrect
    NASA
    Venus
    NASA
    Correct!
    Wrong!

    Earth.

  3. 3. How many moons does Pluto have?

    eso.org / /L. Calçada
    Correct
    Incorrect
    1
    Correct
    Incorrect
    5
    Correct
    Incorrect
    12
    Correct!
    Wrong!

    5.

    It might not be a planet anymore, but Pluto has more moons than Earth does.

  4. 4. How many planets are there in the solar system?

    Correct
    Incorrect
    8
    Correct
    Incorrect
    9
    Correct
    Incorrect
    10
    Correct!
    Wrong!

    8.

    Since Pluto was demoted to dwarf planet in 2006, there are only eight planets in the solar system.

  5. 5. Which planet is this storm happening on?

    jpl.nasa.gov
    Correct
    Incorrect
    Saturn
    Correct
    Incorrect
    Neptune
    Correct
    Incorrect
    Mars
    Correct!
    Wrong!

    Saturn.

    It's at Saturn's north pole, and has wind speeds of up to 330 miles per hour.

  6. 6. Which solar system planets have rings?

    NASA / JPL
    Correct
    Incorrect
    Saturn and Mars
    Correct
    Incorrect
    Saturn, Mercury and Venus
    Correct
    Incorrect
    Saturn, Jupiter, Uranus and Neptune
    Correct!
    Wrong!

    Saturn, Jupiter, Uranus and Neptune.

    All four gas giants have rings (but Saturn's are more noticeable than the others).

  7. 7. How hot is the surface of the Sun?

    Correct
    Incorrect
    sdo.gsfc.nasa.gov
    6000 Kelvin
    Correct
    Incorrect
    sdo.gsfc.nasa.gov
    60,000 Kelvin
    Correct
    Incorrect
    sdo.gsfc.nasa.gov
    6,000,000 Kelvin
    Correct!
    Wrong!

    6000 Kelvin.

    The Sun's visible surface – the photosphere – is around 5778K, or around 5505°C.

  8. 8. What is the average temperature of the Sun's atmosphere?

    Luc Viatour / lucnix.be
    Correct
    Incorrect
    5500 Kelvin
    Correct
    Incorrect
    100,000–200,000 Kelvin
    Correct
    Incorrect
    1–2 million Kelvin
    Correct!
    Wrong!

    1–2 million Kelvin.

    Scientists don't understand why, but the Sun's corona is much hotter than its surface. Some regions even reach 20 million degrees.

  9. 9. Which planet is this?

    NASA
    Correct
    Incorrect
    Mars
    Correct
    Incorrect
    Earth
    Correct
    Incorrect
    Venus
    Correct!
    Wrong!

    Earth.

    It's a picture of the Australian outback, taken by Chris Hadfield from the International Space Station.

  10. 10. Which planet is this?

    NASA/JPL/University of Arizona
    Correct
    Incorrect
    Mars
    Correct
    Incorrect
    Earth
    Correct
    Incorrect
    Mercury
    Correct!
    Wrong!

    Mars.

    Turns out Mars has a lot more ice than we anticipated. And it looks a bit like a brain.

  11. 11. Which of these is not a body in the asteroid belt?

    Correct
    Incorrect
    Ceres
    Correct
    Incorrect
    Vesta
    Correct
    Incorrect
    Triton
    Correct!
    Wrong!

    Triton.

    Triton is actually a moon of Neptune. Vesta is an asteroid and Ceres is a dwarf planet that orbits in the asteroid belt.

  12. 12. Who was the first person in space?

    Correct
    Incorrect
    NASA
    Neil Armstrong
    NASA
    Correct
    Incorrect
    sydsvenskan.se
    Yuri Gagarin
    Correct
    Incorrect
    United States Marine Corps
    John Glenn
    United States Marine Corps
    Correct!
    Wrong!

    Yuri Gagarin.

    He orbited Earth in his Vostok spacecraft on 12 April 1961.

  13. 13. When did the first frog reach space?

    Nasa/Wallops/Mid-Atlantic Regional Spaceport
    Correct
    Incorrect
    March 1961
    Correct
    Incorrect
    April 1977
    Correct
    Incorrect
    January 1984
    Correct!
    Wrong!

    March 1961.

    Frogs were included on the Vostok 3A launches into low Earth orbit in 1961. A previous attempt in 1959 had been made to send frogs to space, but the rocket was destroyed during launch.

  14. 14. Which of these is not a moon of Saturn?

    Correct
    Incorrect
    Enceladus
    Correct
    Incorrect
    Hyperion
    Correct
    Incorrect
    Io
    Correct!
    Wrong!

    Io.

    Io is a moon of Jupiter.

  15. 15. How long do we have until the Sun expands into a red giant?

    NASA / Via space.com
    Correct
    Incorrect
    1 million years
    Correct
    Incorrect
    5 billion years
    Correct
    Incorrect
    100 billion years
    Correct!
    Wrong!

    5 billion years.

    Hopefully enough time for us all to decamp somewhere that won't get fried during the expansion.

  16. 16. When did Voyager 1 reach interstellar space?

    NASA
    Correct
    Incorrect
    January 2010
    Correct
    Incorrect
    August 2012
    Correct
    Incorrect
    September 2013
    Correct!
    Wrong!

    August 2012.

    There have been various reports over the last few years of Voyager leaving the solar system. But definitive word came from Voyager project scientist Ed Stone and team recently when they announced that Voyager left the solar system on August 25, 2012.

  17. 17. Which exoplanet was discovered first?

    Correct
    Incorrect
    en.wikipedia.org
    Fomalhaut b
    Correct
    Incorrect
    eso.org
    Alpha Centauri Bb
    Correct
    Incorrect
    en.wikipedia.org
    51 Pegasi b
    Correct!
    Wrong!

    51 Pegasi b.

    It was discovered in 1995. Fomalhaut b was discovered in 2008 and Alpha Centauri Bb in 2012.

  18. 18. How many stars are there in the Milky Way?

    Bruno Gilli/ESO
    Correct
    Incorrect
    100–400 billion
    Correct
    Incorrect
    1–4 billion
    Correct
    Incorrect
    100,000–400,000
    Correct!
    Wrong!

    100–400 billion.

  19. 19. How old is the universe?

    Correct
    Incorrect
    3.8 billion years
    Correct
    Incorrect
    10 billion years
    Correct
    Incorrect
    13.8 billion years
    Correct!
    Wrong!

    13.8 billion years.

    That's how long it's been since the Big Bang.

  20. 20. Which of these is the Orion Nebula?

    Correct
    Incorrect
    hubblesite.org
    Correct
    Incorrect
    hubblesite.org
    Correct
    Incorrect
    hubblesite.org
    Correct!
    Wrong!

    The first is the Carina Nebula, and the last is part of the Eagle Nebula.

 
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