As a kid, you either loved or hated space questions—are you ready to take on this quiz?
Our universe is packed with fascinating stuff—from blazing stars to mysterious black holes. You'll find massive galaxies, distant nebulae, and planets that have been orbiting their suns for billions of years. The universe never stops surprising scientists, and there's always something new to discover. Do you still remember what these objects are called from school? Even if you don’t, you're not getting an F from us—but only a real space whiz will ace every question in our quiz.
Quiz
How well do you know our universe?
Source
Pixabay
1
15
What is the name of the galaxy in which our Solar System is located?
Andromeda
Milky Way
Big dog
Explanation
The galaxy in which our Solar System is located is called the Milky Way, or Milky Way.
Source
publicdomainpictures.net
2
15
Which planet is closest to the sun?
Venus
Mars
Mercury
Explanation
Mercury is the closest planet to the Sun. It is the smallest planet in our solar system, orbiting the star at a distance of about 58 million kilometres.
Source
NASA
3
15
What is the name of the first man who was in space?
Neil Armstrong
Yuri Gagarin
Buzz Aldrin
Explanation
The first man in space was Soviet cosmonaut Yuri Alexeyevich Gagarin. He made his historic flight on 12 April 1961 in the Vostok 1 spacecraft, during which he orbited the Earth once for a total of 108 minutes.
Source
Wikimedia Commons
4
15
Which planet is known for its rings?
Jupiter
Neptune
Saturn
Explanation
The planet best known for its massive and bright rings is Saturn. Although other gas giants in our solar system (Jupiter, Uranus, and Neptune) have ring systems, Saturn's rings are the most famous.
Source
TASR/AP
5
15
What was the name of the first mission that landed a man on the moon?
Apollo 13
Apolo 11
Apolo 8
Explanation
The Apollo 11 mission took place on 20 July 1969.
Source
Wikimedia
6
15
Which astronaut was the first to walk on the moon?
Buzz Aldrin
Yuri Gagarin
Neil Armstrong
Explanation
"It's a small step for man, but a great leap for mankind," Armstrong said as he stepped onto the moon's surface.
Source
TASR/AP/NASA/ESA/CSA
7
15
What is the name of the star at the centre of our system?
Sirius
Polaris
The Sun
Explanation
It is the Sun, which is so large that it could fit approximately 1.3 million Earths and makes up 99.86% of the mass of our entire solar system.
Source
Unsplash/NASA
8
15
Which planet is known as the "red planet"?
Pluto
Mars
Venus
Explanation
Mars is known as the "red planet" because of the high content of iron oxide (rust) in its soil and dust.
Source
NASA/ESA/STScI
9
15
What is the name of the telescope launched in 1990 that observes the universe from orbit?
Spitzer Space Telescope
James Webb Space Telescope
Hubble Space Telescope
Explanation
The Hubble Space Telescope was launched on April 24, 1990, by space shuttle Discovery (STS-31). It was originally scheduled to launch in 1983, but technical problems and the Challenger shuttle accident postponed the launch. It is still in operation today and is expected to disappear in the atmosphere around 2030-2033.
Source
Unsplash / Jaredd Craig
10
15
What is the name of the first artificial satellite launched into space?
Sputnik 1
Vostok 1
Luna 1
Explanation
The launch of the Sputnik 1 satellite, on October 4, 1957 from the Baikonur Cosmodrome, kicked off the space era of mankind.
Source
Miriam Espacio na Pexels
11
15
What is the theory of the origin of the universe called?
The eternal universe theory
The Big Bang Theory
Black Star Theory
Explanation
The Big Bang theory states that the universe was formed about 13.8 billion years ago from an extremely hot and dense point and has been expanding and cooling ever since.
Source
Pexels/pixabay/volně k užití
12
15
What is the name of Earth's natural satellite?
Phobos
Europe
Monthly
Explanation
Earth's only permanent natural satellite is the Moon. It is the fifth largest moon in the Solar System, orbits the Earth at a distance of about 384 000 km and was formed more than 4 billion years ago.
Source
NASA/ESA/CSA/JUDY SCHMIDT
13
15
Which planet is the largest in the Solar System?
Saturn
Neptune
Jupiter
Explanation
The volume of Jupiter is so large that it could fit over 1300 Earths.
Source
TASR/ Dano Veselský, TASR/ Pavel Neubauer
14
15
Which planet has the most moons, according to recent discoveries?
Jupiter
Uranus
Saturn
Explanation
Saturn has 274 confirmed moons. The number rose to that figure after the 2025 discoveries, when scientists found 128 new moons.
Source
TASR/AP/NASA
15
15
Which telescope was launched in 2021 and is studying the oldest galaxies in the Universe?
James Webb Space Telescope
Spitzer Space Telescope
Hubble Space Telescope
Explanation
The James Webb Space Telescope was launched into space on 25 December 2021 from the Guiana Space Centre in Kourou, French Guiana, on an Ariane 5 rocket operated by the European Space Agency in partnership with NASA and the Canadian Space Agency.
