CategorySpace Trivia

space trivia category

Space Trivia Questions and Quizzes

Interesting trivia and quiz questions about the moon, the planets of our solar system, and the universe. The universe is a source of fantastic knowledge and has inspired mankind for ages. With trillions upon trillions of objects in billion galaxies, the universe is continuously expanding and changing. The science and our knowledge of space also continue to improve. Challenge yourself and your friends with this space quiz. Test your knowledge of our solar system, planets, moons and the galaxy.

Explore the questions below and click on the button to reveal the answer. Have fun while you test your knowledge! Enjoy your quiz!

How many planets are there in the solar system?

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How many planets are there in the solar system?
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Eight planets.
Mercury, Venus, Earth, and Mars are known as terrestrial planets. The other four including Jupiter, Saturn, Uranus, and Neptune, are the giant planets. Two are gas giant planets which include Jupiter and Saturn. The other two are giant ice planets which include Uranus and Neptune. Sorry for the ninth planet named Pluto. It was discovered in 2014, but still, it’s existence is not confirmed.
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What is the smallest planet in the solar system?

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What is the smallest planet in the solar system?
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Mercury.
Till 2006 Pluto was considered the smallest planet. Pluto is now removed from the list of planets. Mercury has a radius of 1516 miles and is actually the smallest of all the planets. Interestingly, Mercury is named after the messenger of God who was roman. The sun would appear three times larger than this planet.
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Name the American who discovered Pluto?

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Name the american who discovered pluto?
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Clyde W. Tombaugh.
Pluto was discovered on February 18, 1930, by late Clyde. He sent drawings of the planet along with homemade reflector to Lowell. Director Slipher hired him to search for planet -X. Tombaugh took exposures leading to the discovery of Pluto.
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What percentage of the universe is dark matter?

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What percentage of the universe is dark matter?
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Around 27%.
Only 27% of the universe is dark matter. 68% of the universe is dark energy, whereas less than 5% of the universe is made up of ordinary matter. Approximately 80% of the universe’s mass is made up of the material that is not visible to us.
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What is the age of the universe in years?

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What is the age of the universe in years?
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13.8 billion years old.
Different methods were used by scientists to measure the age of the universe. Methods such as measuring the composition of matter and energy density. They measured the age of the oldest stars in space to calculate the age of Earth. It is believed that Earth should continue to exist for billions of years.
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