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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.

Which planet is known as “The Red Planet?”

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Mars.
Mars is the fourth planet from the Sun and the smallest planet in our Solar System after Mercury. It carries the nickname “the red planet” due to the effect of the iron oxide that is prevalent on its surface.

What is the coldest place in the Universe?

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The Boomerang Nebula.
The Nebula is one-degree Kelvin, which is -272 degrees Celsius. It is found in Centaurus constellation. The nebula is colder than the background temperature of deep space.

What is the most common type of galaxy?

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Elliptical Galaxies.
Galaxies can be categorized by their shape as elliptical, spiral, or irregular. The most commonly observed kind is elliptical.

What causes stars to be in so many different colors (blue, red, yellow)?

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Their temperature.
Red stars are the coolest stars, blue stars are hottest, and the sun is yellow which is a massive star. Stars are classified on the scale of O, B, A, F, G, K, and M. Those near to O are the hottest ones, and those near to M are the coolest ones. Sun is a G star that comes on the bottom of the scale and has a moderate temperature.

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.

Who was the first person to go to space?

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Yuri Gagarin.
While Neil Armstrong may have gotten all the praise for being the first person to step on the Moon, there was actually another person to have beaten him to set out into space. Yuri Gagarin went to space in 1961!

Why is the color of Mars red?

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Red soils.
The color of Mars is red, and for this, it is also known as the red planet. This is due to the abundance of red soils. The rocks and soil at Mars contain dust carrying an immense amount of iron. It carries a tiny amount of chlorine and sulfur. Over the years, they’ve been eroded, and dust was spread by volcanoes forming the red cloud.

Can you hear anything in space?

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No space is entirely silent.
There is no atmosphere in near-empty regions of space. Sounds travel through the vibration of atoms and molecules in a medium such as air or water. In space where there is no air, the sound has no way to travel which means that sound has no way to travel.

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