Solar System Trivia
Our solar system is a fascinating place.How well do you know it? 30 Questions.
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How hot is the core of the Sun?
30 million Kelvins
15 million Kelvins
True or false, Mercury has an atmosphere?
Type in the correct answer
How long (in Earth days) is a day on Venus?
What is the largest (by volume) freshwater lake on Earth?
Which of the following is not a name given to Mars at some point in time?
True or false, Jupiter has a ring system?
Type in the correct answer
Who was the first person to determine that Saturn had a ring system?
Cesar-Francois Cassini de Thury
What is the measure of the tilt of Uranus's axis of rotation to its orbital plane?
How fast can the winds of Neptune travel?
250 mph (400 kph)
1,300 mph (2,100 kph)
625 mph (1,000 kph)
900 mph (1,450 kph)
If you could find a tub of water large enough, and put all the planets in it, which one would float?
None would float
The Moon's gravity is what percentage of the Earth's?
Which planet is 110 million km from the Sun?
Which planet orbits the Sun at a speed of 110,000 kph?
Pluto has several moons, but how many of them were discovered in the twentieth century?
How far is our Solar System away from the nearest bright star cluster?
150 light years
50 light years
100 light years
2 light years
What stage of its life is our Sun in now?
Red Giant stage
Which of these named features of the Solar System is the outermost?
Outer solar system
Which of Mars's ice caps is biggest?
They change every season
Both of them stay the same
On the surface of which of the following four bodies would you be able to see a moon all of the time?
Which planet shares an orbit with two groups of asteroids, known as the Trojan Asteroids?
Mars has two moons,one of those is called Phobos, what is the name of the other one?
Which dwarf planet, discovered in 2005, is named after the Greek goddess of strife and discord?
Which of the following moons belongs to Saturn?
Three of these moons belong to Uranus,which one belongs to Jupiter?
Excluding dwarf planets, which is the smallest planet in our Solar System?
Which planet is named after the Roman god of the sea?
Pallas, Vesta and Sylvia are all which type of object, found in the Solar System?
Do you know approximately how many times the diameter of the Sun is bigger than Earth?
About 266 times
About 543 times
About 109 times
About 32 times
The smallest and closest planet to the Sun is Mercury. Why is it difficult to study Mercury?
Because of its closeness to the Sun
Because it is hidden by Venus
Because it is too small
Because it is always behind the Sun
What is unique about Venus compared to the other seven planets?
Its surface is entirely water
It has east-west poles
Its rotation is slower than its orbit
It has a green sky
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