101 Space Facts For Smart Kids! (Infographic) (2023)

101 Space Facts For Smart Kids! (Infographic) (1)

Jenny Murphy

(Video) Amazing Space Facts for Kids | Planets


We are off to space! Take your mind on a mission of discovery through our solar system, to the furthest reaches of the Milky Way with these out of this world facts about space for kids!

Nearly everyone has afascination with amazing space facts, after all, it’s human nature to want to explore. In this infographic we’ve collected over 100 facts about space – So share this with your friends, kids or students to inspire them! They could be the next Neil Armstrong,Michael Finckeor Steve Swanson andjoin other inspirational NASAastronauts and scientists that carved their marks in the vast ocean of space.

In fact, Australian kidshave a rare opportunity toactually meet andlearn from NASA staff without travelling to the USA.Thanks toour special program,Mission Discovery,Australian studentshave a chance to do something extraordinary and literally launch their ideas into space!

And as a teaser, here’sour spacefacts infographic that smart kids would surely love.

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(Video) Solar System 101 | National Geographic

<a href="https://latitudegrouptravel.com.au/space-facts-for-kids/"><img style="width:100%;" src="https://latitudegrouptravel.com.au/wp-content/uploads/2018/08/space-facts-infographic.jpg"></a><br>Infographic Provided By <a href="https://latitudegrouptravel.com.au">Latitude Group Travel</a>


We are off to space! Take your mind on a mission of discovery through our solar system, to the furthest reaches of the Milky Way with these out of this world facts about space!

The moon is farther away than you think.
When the moon is at farthest point of orbit from earth, you could fit all of the planets in our solar system in the distance between Earth and the Moon.
Distance: 384,400 Km

Earth = 12,742 Km
Mercury = 4,879 Km
Venus = 12,104 Km
Mars = 6,771 Km
Jupiter = 139,822 Km
Saturn = 116,464 Km
Uranus = 50,724 Km
Neptune = 49,244 Km
Our moon = 3,474 Km

Just how big is the Sun?

Everyone knows that the Sun is massive but let’s have a look at just how big it is and few other interesting facts.

The diameter of the Sun is 1.391016 Million km

  • That’s a diameter 10 times larger than that of Jupiter!
  • Or to put that in perspective, that’s about 110 times the diameter of Earth!

That’s just diameter… The total volume of the sun is 1.4 x 1027 m3

  • That’s 1,4,000,000,000,000,000,000,000 cubic km!

Jupiter x 985

  • The sun could fit around 985 planets the size of our largest planet, Jupiter, inside of it.

Earth x 1,300,000

  • If you squashed them to ensure there was no wasted space you could fit about 1,300,000 Earths inside of the Sun!

The Sun accounts for 99.86% of the mass in the solar system.

  • It has a mass of around 330,000 times that of Earth. It is three quarters hydrogen and most of its remaining mass is helium.

The Sun is still growing.

  • The Sun will continue to burn for about 130 million years after it burns through all of its hydrogen, instead burning helium. During this time it will expand to such a size that it will engulf Mercury, Venus, and Earth. When it reaches this point, it will have become a red giant star.

The Sun will eventually be about the size of Earth.

  • Once the Sun has completed its red giant phase, it will collapse. It’s huge mass will be retained, but it will have a volume similar to that of Earth. When that happens, it will be known as a white dwarf.

The Sun travels incredibly fast.

  • The Sun travels at about 220 km per second. It is around 26,000 light-years from the galactic centre and it takes the Sun approximately 250 million years to complete one orbit of the centre of the Milky Way.

It takes eight minutes for light reach Earth from the Sun.

  • The average distance from the Sun to the Earth is about 150 million km. Light travels at 300,000 km per second so dividing one by the other gives you 500 seconds – eight minutes and twenty seconds.
Planetary Facts

Let’s have a look at some interesting facts about the neighbours in our solar system.


(Video) Jupiter 101 | What Is Inside Jupiter? | The Dr Binocs Show | Peekaboo Kidz

  • Mercury is named after the Roman god of merchants and travellers.
  • Mercury does not have any moons or rings.
  • Your weight on Mercury would be 38% of your weight on Earth.
  • A day on the surface of Mercury lasts 176 Earth days.
  • A year on Mercury takes 88 Earth days.
  • Mercury has a diameter of 4,879 km, making it the smallest planet.
  • It’s not known who discovered Mercury.
  • Mercury is only the second hottest planet.


  • Venus is named after the Roman god of love.
  • Venus is nearly as big as the Earth with a diameter of 12,104 km.
  • Venus is thought to be made up of a central iron core, rocky mantle and silicate crust.
  • A day on the surface of Venus (solar day) would appear to take 117 Earth days.
  • A year on Venus takes 225 Earth days.
  • The surface temperature on Venus can reach 471 °C.
  • Venus rotates in the opposite direction to most other planets.
  • Venus is the second brightest object in the night sky.


  • Mars is named after the Roman god of war.
  • Mars has two moons, Phobos and Deimos
  • Mars and Earth have approximately the same landmass.
  • Mars is home to, Olympus Mons, the tallest mountain in the solar system.
  • Out of 40, only 18 missions to Mars have been successful.
  • Often lasting months and covering the entire planet, Mars has the largest dust storms in the solar system.
  • On Mars the Sun appears about half the size as it does on Earth.
  • Pieces of Mars have fallen to Earth which has allowed scientist to study the planet before launching space missions.
  • There are signs of liquid water on Mars.


  • Jupiter is named after the Roman god of light, or the king of all gods.
  • Jupiter has 79 known moons, the largest of which,Ganymede, is the largest moon in the solar system.
  • Jupiter’s moons are named are the Roman gods wives and lovers.
  • Jupiter is the fourth brightest object in the solar system.
  • Jupiter has the shortest day of all the planets with a day lasting only 9 hours and 55 minutes.
  • Jupiter orbits the Sun once every 11.8 Earth years.
  • Jupiter has unique clouds, made mostly out of ammonia crystals and sulphur.
  • Jupiter’s’ Great Red Spot is a huge storm that has raged for at least 350 years. It’s so large that 3 Earths could fit inside it.
  • Jupiter has a thin ring system composed mainly of dust particles ejected from some of Jupiter’s smaller worlds during impacts from incoming comets and asteroids.
  • Eight spacecraft have visited Jupiter.


  • Saturn is named after the Roman god of agriculture.
  • Saturn has 150 moons and smaller moonlets, but only 13 of which have diameters larger than 50km. The largest moons are Titan and Rhea. Enceladus appears to have an ocean below its frozen surface.
  • Saturn can be seen with the naked eye.
  • Saturn is the flattest planet.
  • Saturn orbits the Sun once every 29.4 Earth years.
  • Saturn has oval-shaped storms similar to Jupiter’s.
  • Saturn is made mostly of hydrogen.
  • Saturn has the most extensive rings in the solar system made mostly of chunks of ice and small amounts of carbonaceous dust. The rings stretch out more than 120,700 km from the planet.
  • Four spacecraft have visited Saturn.


  • Uranus is named after the Roman god of the sky.
  • Uranus has 27 moons all of which are named after characters from the works of William Shakespeare and
    Alexander Pope.
  • A day on Uranus lasts 17 hours and 14 minutes.
  • Uranus makes one trip around the Sun every 84 Earth years.
  • Uranus is often referred to as an “ice giant” planet.
  • Uranus hits the coldest temperatures of any planet with minimum recorded atmospheric temperatures dropping to -224 degrees Celsius.
  • Uranus has two sets of very thin dark coloured rings.
  • Only one spacecraft, the Voyager 2, has ever flown by Uranus. That was in 1986.


  • Neptune is named after the Roman god of the sea.
  • Neptune has 14 moons all of which are named after minor water gods from Greek mythology. Triton is by far the largest.
  • Neptune spins on its axis very rapidly. Its equatorial clouds take 18 hours to make one rotation.
  • Neptune is the smallest of the ice giants.
  • Neptune’s’ atmosphere is mainly made of hydrogen and helium, with some methane.
  • Neptune has a very active climate with high-speed winds whipping around the planet at up 600 meters per second.
  • Neptune has a very thin collection of rings which are likely made up of ice and dust particles.
  • Only one spacecraft, the Voyager 2, has ever flown by Uranus. That was in 1989.

And who could forget…


  • Pluto is named after the Roman god of the underworld.
  • Pluto was reclassified from a planet to a dwarf planet in 2006.
  • Pluto has five known moons, Charon, Styx, Nix, Kerberos, and Hydra.
  • Pluto is one third water
  • Pluto is smaller than Earth’s moon.
  • Pluto has an elliptical orbit and is at times closer to the sun than Neptune.
  • Pluto sometimes has an atmosphere. When it orbits closer to the sun ice melts creating a thin atmosphere.
  • Only one spacecraft, the New Horizons, has ever flown by Uranus. That was on the 14th of July 2015.
The Milky Way

Our solar system existing inside of a collection of solar systems called a “Solar Neighbourhood”. A galaxy is made up of millions of these Solar Neighbourhoods. Ours is inside of the Milky Way galaxy which is just one of hundreds of millions, possibly billions of galaxies that make up the universe! Feeling small yet?

100,000 Light Years across

  • A light year is unit of measurement to measure distance. It is equivalent to the distance that light travels in one year. Keep in mind that it take light 8 minutes to travel from the Sun to Earth. Now try and get your head around how big the Milky Way is!

100 – 400 Billion Stars

  • The Milky Way contains between 100 – 400 billion stars. Our Sun is one such star. Just like our sun, many of these stars are orbited by planets which form solar systems.

13.6 Billion Years

  • The Milky Way is approximately 13.6 billion years old and began life as a series of dense regions not long after the Big Bang.
Many shapes and sizes

Galaxies come in many different shapes and sizes. These formations are broken in to 4 main categories, Elliptical, Normal Spiral, Barred Spiral and Irregular. These categories are then divided into sub-classifications. Our Milky Way is classified as an SBc Barred Spiral galaxy.

Infographic Provided by: Latitude Group Travel

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(Video) Mercury 101 | Planet Mercury | The Dr Binocs Show | Peekaboo Kidz


What is space facts for kids? ›

Cool Space Facts for Kids: Our sun is over 300,000 times bigger than the Earth. Halley's Comet only enters our inner solar system every 75 years. The last time it was visible from Earth was in 1986 and the next time will be in 2061.

What are 10 things about space? ›

Check out these 10 facts about space...
  • The first person on the moon was Neil Armstrong. ...
  • The first person in space was Yuri Gagarin. ...
  • For a rocket to get into orbit around Earth, it needs to travel 17,600 miles per hour! ...
  • You could fit 1.3 million Earths into the Sun! ...
  • Space is a very cold place at –270.45 Celsius!

What does space smell like? ›

Astronaut Thomas Jones said it "carries a distinct odor of ozone, a faint acrid smell…a little like gunpowder, sulfurous." Tony Antonelli, another space-walker, said space "definitely has a smell that's different than anything else." A gentleman named Don Pettit was a bit more verbose on the topic: "Each time, when I ...

What was the 1st object in space? ›

In 1949, the "Bumper-WAC" became the first human-made object to enter space as it climbed to an altitude of 393 kilometers (244 miles). The rocket consisted of a JPL WAC Corporal missile sitting atop a German-made V-2 rocket.

What's the rarest thing in space? ›

Only 1-in-10,000 galaxies fall into the rarest category of all: ring galaxies. With a dense core consisting of old stars, and a circular or elliptical ring consisting of bright, blue, young stars, the first ring was only discovered in 1950: Hoag's object.

What in space starts with O? ›

Orion, also known as "The Hunter," is a constellation. The brightest stars in Orion are Rigel. Betelgeuse, and Bellatrix.

Are planets 7 or 8? ›

Our solar system is made up of a star—the Sun—eight planets, 146 moons, a bunch of comets, asteroids and space rocks, ice, and several dwarf planets, such as Pluto. The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Mercury is closest to the Sun. Neptune is the farthest.

Can a child go to space? ›

There are reasons no kid has ever flown to space. The chief one, of course, is the danger involved; the death of a child is always more tragic and heart-wrenching, and less acceptable, than the loss of an adult. In addition, the hazards of space radiation are more acute for youngsters than for grown-ups.

Can you talk in space? ›

When astronauts are out in space, they can whistle, talk, or even yell inside their own spacesuit, but the other astronauts would not hear the noise. In fact, the middle of space is very quiet. Sound travels in waves, and it moves at different speeds through air or water or other materials.

How long is 1 hour in space? ›

Explanation: The clocks in space tick more slowly than clocks on Earth., HENCE COVERING LESS TIME AS COMPARED TO EARTH IN THE SAME DURATION. One hour on Earth is 0.0026 seconds in space. Thus, upon calculation we find that one hour on Earth is equivalent to seven years in space.

What animal first went to space? ›

The first animal to make an orbital spaceflight around the Earth was the dog Laika, aboard the Soviet spacecraft Sputnik 2 on 3 November 1957.

What are the 3 types of space? ›

real space - actual objects in actual physical space. measured space - the representation of that space in the computer and the representation of locations of objects from sensor data etc. virtual space - electronic spaces created to be portrayed to users, but not tied explicitly to the real world.

What are the 4 types of space? ›

Anthropologist Edward Hall coined this word in the early 1960s and classified 4 major proxemic zones: the intimate space, personal space, social space, and public space.

Does space have a end? ›

No, they don't believe there's an end to space. However, we can only see a certain volume of all that's out there. Since the universe is 13.8 billion years old, light from a galaxy more than 13.8 billion light-years away hasn't had time to reach us yet, so we have no way of knowing such a galaxy exists.

What flavor is space? ›

In 2009, astronomers were able to identify a chemical called ethyl formate in a big dust cloud at the center of the Milky Way. Ethyl formate happens to be responsible for the flavor of raspberries (it also smells like rum). Space tastes like raspberries! What a downright delightful thing for space to taste like.”

Is there a color in space? ›

Space emits many wavelengths of light - including a lot of blue and red light that our human eyes can see - but also ultraviolet light, gamma rays, and X-rays, which remain invisible to us.

What is the rarest thing in space? ›

Only 1-in-10,000 galaxies fall into the rarest category of all: ring galaxies. With a dense core consisting of old stars, and a circular or elliptical ring consisting of bright, blue, young stars, the first ring was only discovered in 1950: Hoag's object.

What are 3 interesting facts about the first man in space? ›

1 ) Cosmonaut Yuri Gagarin was launched into space in Vostok 1 on the morning of April 12, 1961, 50 years ago today. 2 ) He was a 27-year-old military pilot. 3 ) He and his family were thrown out of their house by the Germans during World War II. 4 ) They had to live in a dugout in the garden.

Has a dog gone to space? ›

Dogs. A number of dogs have gone into space under the former Soviet Union. The most well-known was Laika in 1957. She was picked up off the streets as a stray mongrel puppy in Moscow and deemed suitable because of her gentle temperament.

What is the most unique thing in space? ›

  • Cosmic Microwave Background. NASA/WMAP Science Team. ...
  • Dark Matter. Andrey Kravtsov. ...
  • Exoplanets. ESO. ...
  • Gravity Waves. Henze/NASA. ...
  • Galactic Cannibalism. NASA; ESA; Z. ...
  • Neutrinos. The Asahi Shimbun/Getty. ...
  • Quasars. NASA-MSFC. ...
  • Vacuum Energy. NASA-JSC.
6 Jan 2011

What is the darkest spot in space? ›

The Boötes Void (/boʊˈoʊtiːz/) (colloquially referred to as the Great Nothing) is an approximately spherical region of space found in the vicinity of the constellation Boötes, containing very few galaxies, hence its name. It is enormous, with a radius of 62 megaparsecs.

Does space have color? ›

If we add up all the light coming from galaxies (and the stars within them), and from all the clouds of gas and dust in the Universe, we'd end up with a colour very close to white, but actually a little bit 'beige'.

Is any one lost in space? ›

On 12th April 1961, Soviet astronaut Yuri Gagarin made the world's first manned space flight.
People who have died in space (in chronological order)
AstronautKomarov Vladimir
Death causeFailure of the parachute system at the final stage of the ship's descent
22 more columns
11 May 2022

Who was the first death in space? ›

The first crewed launch of a Soyuz took place on April 23, 1967. Its single test pilot, Vladimir Komarov, was killed when the descent module's parachute failed to unfurl after reentry and the module crashed—the first human death during a spaceflight.

What was the 1st animal in space? ›

The first animal to make an orbital spaceflight around the Earth was the dog Laika, aboard the Soviet spacecraft Sputnik 2 on 3 November 1957.

Is Laika's body still in space? ›

Over five months later, after 2,570 orbits, Sputnik 2 (including Laika's remains) disintegrated during re-entry on 14 April 1958.

Is Laika still in space? ›

Laika, a Moscow street dog, became the first creature to orbit Earth, but she died in space.

Do you freeze in space? ›

Acute exposure to the vacuum of space: No, you won't freeze (or explode) One common misconception is that outer space is cold, but in truth, space itself has no temperature.

What smells are in space? ›

A succession of astronauts have described the smell as '… a rather pleasant metallic sensation ... [like] ... sweet-smelling welding fumes', 'burning metal', 'a distinct odour of ozone, an acrid smell', 'walnuts and brake pads', 'gunpowder' and even 'burnt almond cookie'.

What is the hardest thing in space? ›

Summary: A team of scientists has calculated the strength of the material deep inside the crust of neutron stars and found it to be the strongest known material in the universe.


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