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Test your knowledge about space, planets, and celestial objects in this exciting quiz!
1
48 random squares
Which planet is known as the 'Red Planet'?
Mars
Jupiter
Saturn
Venus
79% got this right
Mars appears red due to the iron oxide (rust) on its surface.
2
48 random squares
How many planets are in our solar system?
4 —
8
— 10
84% got this right
Pluto was reclassified as a dwarf planet in 2006.
3
48 random squares
Which planet has the strongest winds in the solar system?
Neptune
Jupiter
Saturn
Uranus
31% got this right
Neptune's winds can reach speeds of up to 1,500 mph.
4
48 random squares
Which of these are considered gas giants?
Jupiter
Saturn
Mars
Venus
71% got this right
Gas giants are large planets composed mostly of hydrogen and helium.
5
48 random squares
What is the largest moon in our solar system?
Ganymede
Callisto
Io
Titan
26% got this right
Ganymede is Jupiter's largest moon and is even larger than the planet Mercury.
6
48 random squares
Order the planets from closest to the sun to farthest.
1.
Mercury
2.
Venus
3.
Earth
4.
Mars
90% got this right
The order is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
7
48 random squares
What is the hottest planet in our solar system?
Venus
Earth
Mars
Mercury
40% got this right
Venus' thick atmosphere traps heat, making it the hottest planet with temperatures around 900°F.
8
48 random squares
How many Earth days does it take for Mercury to orbit the sun?
70 —
88
— 100
71% got this right
Mercury's orbit is the shortest of all the planets in our solar system.
9
Which year was Pluto downgraded to a dwarf planet?
2000 —
2006
— 2015
33% got this right
10
Who was the first person to travel into space?
Yuri Gagarin
George Jetson
Neil Armstrong
Tim Peake
28% got this right
The Soviet pilot and cosmonaut orbited the Earth on the Vostok spacecraft in 1961
11
On which planet are days longer than years?
Venus
Earth
Jupiter
Saturn
20% got this right
It takes 225 Earth days for Venus to go all the way around the sun, so a day on Venus is a little longer than a year.
12
Iris reveal
What does the word 'nebula' mean in Latin?
Cloud
Moon
Star
Vague
36% got this right
The colourful, cosmic clouds aka nebula are areas in which stars are being created or have died.
13
How long do footprints last on the moon?
Millions of Years
A few seconds
Couple of Decades
Six months
50% got this right
Because the Moon has no atmosphere, so unlike on Earth, there's no erosion so footsteps can last a couple millions years
14
What is the Great Red Spot on Jupiter?
A Storm
A Crater
A Lake
A Volcano
47% got this right
This is a gigantic storm ,the largest in the solar system and approximately 1.3 times as wide as Earth.
15
Where is the tallest peak in the solar system located?
Mars
Earth
Saturn
Uranus
35% got this right
The shield volcano Olympus Mons stands 13.5 miles high,about two and a half times as tall as Mount Everest
16
Which planet is not named after a Greek or Roman deity?
Earth
Mercury
Pluto
49% got this right
The name 'Earth' is an English and German name that means 'the ground.'
