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100 questions · 4 levels↗Space / 100 QUESTIONS
Space Quiz
How well do you know the Solar System and the universe beyond it? This space quiz brings together 100 questions about planets, moons, stars and space exploration. Each round moves from easier astronomy trivia towards a harder finish, with multiple-choice answers and a score at the end.
Set 1 of 5
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ROUND COMPLETE / THE VERDICT
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What’s in this space quiz?
Each of the five sets contains 20 questions, with five questions at each difficulty. Choose Easy for the full round, Medium for 15 questions, Hard for 10 or Very hard for five.
Topics in the mix
- Planets, moons and the Solar System
- Stars, galaxies and astronomy
- Astronauts, spacecraft and missions
Hosting a quiz? Open the question and answer list below, choose a set and print separate player and answer sheets. Read the quiz-night instructions.
Space Quiz questions and answers · quizmaster view
Spoilers ahead. Pick a set for your quiz night, then read the questions aloud or print separate question and answer sheets. One point per correct answer.
Set 1 · Space
- EasyWhat is the largest planet in the Solar System?
Answer: Jupiter
- EasyWhich Apollo mission was the first one to land on the Moon?
Answer: Apollo 11
- EasyWhat was the name of the first artificial Earth satellite, launched by the Soviet Union in 1957?
Answer: Sputnik 1
- EasyHow many planets make up our Solar System?
Answer: 8
- EasyHow many planets are in our Solar System?
Answer: Eight
- MediumWhat star is closest to the sun?
Answer: Proxima Centauri
- MediumWhich one is not a name of a Galilean moon revolving around Jupiter?
Answer: Athena
- MediumMars lower density and size gives it a mass about how much that of Earth?
Answer: 1/10
- MediumBy what name was the closest planet to the Sun called by the Greeks?
Answer: Hermes
- MediumHow long does it take Saturn to complete one orbit around the Sun?
Answer: just under 30 years
- HardAccording to the distance between the planets and the Sun, Jupiter is situated between which two planets in the Solar system?
Answer: Mars and Saturn
- HardHow many major planets are there in the Solar System?
Answer: 8
- HardThe moons, Miranda, Ariel, Umbriel, Titania and Oberon orbit which planet?
Answer: Uranus
- HardWhich is the largest of Uranus moons?
Answer: Titania.
- HardWhich is the hottest planet of the Solar System?
Answer: Venus
- Very hardIn what year did 23-year-old American Clyde Tombough discover Pluto, or Planet X, as it was termed then?
Answer: 1930
- Very hardA comet's gaseous envelope (which creates the tail) is called what?
Answer: The coma
- Very hardThe crew of which Apollo mission spent the longest time on the Lunar surface?
Answer: Apollo 17
- Very hardHow long is one day on the planet Neptune?
Answer: Just over 16 hours
- Very hardWhich of these is a celestial body, which produces the effect known as shooting star?
Answer: Meteoroid
Set 2 · Space
- EasyWhat does the letter 'S' stand for in 'NASA'?
Answer: Space
- EasyWhat is the hottest planet in the solar system
Answer: Venus
- EasyWhich is the most abundant element in the universe?
Answer: Hydrogen
- EasyWhat is the official name of the star located closest to the North Celestial Pole?
Answer: Polaris
- EasySaturns largest moon is known by what name?
Answer: Titan
- MediumHow long does it take for the planet Mercury to orbit the Sun once?
Answer: 88 days
- MediumThe four Jovian planets in the Solar system are Jupiter, Saturn, Neptune and which other planet?
Answer: Uranus
- MediumHow long does it take for the planet Earth to orbit the Sun once?
Answer: 365 Days
- MediumIce caps and glaciers are the second largest water reservoirs on Earth after oceans. What percent of the planet’s water do they hold?
Answer: 2 %
- MediumWhat type of weather pattern on Mars can obscure the surface from view?
Answer: Dust Storms
- HardWhat is Venus maximum elongation?
Answer: 47.8 Degrees
- HardHow fast have winds on Jupiter blown?
Answer: 430 Kilometers per hour(267 Miles per hour)
- HardName the first four planets of the Solar System in order of their distance from the Sun?
Answer: Mercury, Venus, Earth, Mars
- HardWhat is referred to as the solar apex?
Answer: the direction the Sun travels through space
- HardHow old is the universe?
Answer: 13.8 Billion Years
- Very hardWhich of the following is the brightest star in the winter night sky of the northern hemisphere?
Answer: Sirius
- Very hardWhat is the name of the star cluster that is also known as “The Seven Sisters”?
Answer: Pleiades
- Very hardWhich natural satellite of Saturn is characterized by its irregular shape, unexplained sponge-like appearance and chaotic rotation?
Answer: Hyperion
- Very hardHow many separate rings does the planet Uranus have according to observations made with the Hubble Space Telescope in 2005?
Answer: 13 rings
- Very hardThe Suns magnetic field, driven by the Solar Wind, can reach distances how far out into space?
Answer: Into Interstellar space
Set 3 · Space
- EasyDuring first quarter moon, what time does the moon rise?
Answer: noon
- EasyThe Planet Venus orbits the Sun once every how many days?
Answer: 225
- EasyWhich is the largest planet in the Solar System?
Answer: Jupiter
- EasyApproximately how long is a year on Uranus?
Answer: 84 Earth years
- EasyWhich planet of the Solar System is nicknamed the Blue Planet?
Answer: Earth
- MediumHow long is one day on the planet Jupiter?
Answer: Just under 10 hours
- MediumThe planet Jupiter orbits the Sun at an average distance of how many kilometers?
Answer: 778,000,000
- MediumAll planets, comets and asteroids orbit around the Sun. What percentage of the Solar Systems mass does the Sun account for?
Answer: 99.8%
- MediumVenus is the third brightest object in the sky after the Sun and what other object?
Answer: The Moon
- MediumWhich of the four Galilean moons of Jupiter is noted as the most volcanically active body in the solar system?
Answer: Io
- HardVenus is largest when it is at which phase?
Answer: Crescent
- HardHow often does Halleys comet appear?
Answer: Every 76 years
- HardThe North Star, Polaris, is located within which constellation?
Answer: Ursa Minor
- HardWhat celestial formations are considered to be the birthplaces of stars?
Answer: Nebulae
- HardWhen was the Hubble Space Telescope put into orbit by the Space Shuttle?
Answer: 1990
- Very hardAlong with Neil Armstrong and Michael Collins, who was the third member of the Apollo 11 crew?
Answer: Buzz Aldrin
- Very hardWhat is the name of the major gap in the ring system around Saturn?
Answer: Cassini Division
- Very hardWhich scientist discovered the atmosphere of Venus?
Answer: Mikhail Lomonosov in 1761 A.D
- Very hardOn what date was the planet Neptune discovered?
Answer: September 23, 1846.
- Very hardThe period of time between maximum and minimum sunspot activity, known as the Solar Cycle is about how many years in length?
Answer: 11 years
Set 4 · Space
- EasyWhich planet has an apparent magnitude of -2.8 to -1.6?
Answer: Jupiter
- EasyWhich of the following spacecraft never touched the moon?
Answer: Mariner 4
- EasyWhich planet of the Solar System has been nicknamed The Red Planet?
Answer: Mars
- EasyGannymede is the largest moon of which planet?
Answer: Jupiter
- EasyWhich Solar System celestial bodys revolution around the Sun takes 248 years?
Answer: Pluto
- MediumWhat is the name of the six-wheeled robotic vehicle of the Pathfinder Mission on Mars?
Answer: Sojourner
- MediumHow many Earth years does it take for Jupiter to complete one orbit around the Sun?
Answer: 11.8 years
- MediumVenus travels around the Sun at an average distance of how many miles?
Answer: 67 million miles
- MediumWhich natural satellite is Jupiters largest moon as well as the largest moon in the whole Solar System?
Answer: Ganymede
- MediumScientists estimate that the Earth and the Solar System were formed how long ago?
Answer: 4.5 billion years
- HardWhich transit of planets against the Sun obscures the most of its disk?
Answer: Transit of Jupiter, viewed from Saturn
- HardWhat was the name of the command module of Apollo 11?
Answer: Columbia
- HardWhat kind of Galaxy is the Milky Way?
Answer: Barred Spiral
- HardWhat was the first spacecraft to study the planet Mercury?
Answer: Mariner 10
- HardWhat is a fast-spinning neutron star that emits pulses of radio waves called?
Answer: Pulsar
- Very hardHigh surface tension, one of waters properties, is crucial for the survival of life on the planet, because it enables what vital process?
Answer: Transport of nutrients
- Very hardBecause of the Greenhouse Effect, Venus has the hottest surface temperature in the Solar System. What is the average temperature on Venus?
Answer: 460 Degrees C.
- Very hardVenus is named after the Roman Goddess of what?
Answer: Love
- Very hardWhat term do scientists use to denote the gradual warming of the planet due to absorption of infrared radiation by the atmosphere?
Answer: Greenhouse effect
- Very hardIn astronomy, the term binary star refers to which of these?
Answer: A system of two stars both orbiting around their centers of mass
Set 5 · Space
- EasyThe asteroid belt is located between which two planets?
Answer: Mars and Jupiter
- EasyWhich planet in the Solar System is the closest to the Sun?
Answer: Mercury
- EasyHow do the Korean, the Japanese and the Chinese call Jupiter?
Answer: Wood star
- EasyHow long is one day on planet Earth?
Answer: About 24 hours
- EasyWhich planet did the "Viking 1" spacecraft send surface images of, starting in 1976?
Answer: Mars
- MediumJupiter, the fifth planet from the Sun, has atmosphere composed of what gases?
Answer: Hydrogen and helium
- MediumThe first directly-observed collision between two solar system bodies was between Jupiter and which comet?
Answer: Shoemaker-Levy 9
- MediumWhat astronomer was the first to see canali on the surface of Mars?
Answer: Giovanni Shiaparelli
- MediumWhat was the animal featured in the insignia of the Apollo 11 mission, the first mission to land a human being on the Moon?
Answer: An eagle
- MediumWhich of these orders the terrestrial planets from smallest to largest by diameter?
Answer: Mercury, Mars, Venus, Earth
- HardWhich planet in the Solar System is sometimes referred to as Earths sister planet?
Answer: Venus
- HardWhich probe became the first probe to visit Mercury in 1974?
Answer: Mariner 10
- HardWhat was the name of the first interplanetary probe to study Venus?
Answer: Mariner 2
- HardThe largest known impact crater on Mercury is named what?
Answer: Caloris Basin
- HardWhat did alchemists associate the planets with?
Answer: Metals
- Very hardWhat is the mean temperature on the surface of Mercury?
Answer: 333 degrees Fahrenheit / 167 degrees Celsius
- Very hardThe planet Mars is named after which of the following?
Answer: Roman God of War
- Very hardThe International Space Station is a joint project of five space agencies, including NASA. Which Space Agency is not part of the project?
Answer: China National Space Administration
- Very hardWhich of these statements is NOT true about Pluto?
Answer: It is the largest object of the Solar Systems asteroid belt.
- Very hardWhich moon is the only satellite in our solar system to possess a dense atmosphere?
Answer: Titan
Questions adapted from Open Trivia Database and OpenTriviaQA, under CC BY-SA 4.0. Selected, filtered and arranged into fixed rounds. Sources & editorial notes.
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