Space Facts

Space Facts

There are 69 Space Facts!

Most Popular Space Facts

  • 1
    Only 55% of Americans know that the sun is a star.
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  • 2
    If two pieces of metal touch in space, they become permanently stuck together.
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  • 3
    There are two golf balls sitting on the moon.
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  • 4
    The Earth gets 100 tons heavier every day due to falling space dust.
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  • 5
    It would take more than 150 years to drive a car to the sun.

All Space Facts

  • 1
    There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
  • 2
    The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
  • 3
    If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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  • 4
    Mars had an oxygen-rich atmosphere around 4 billion years ago
  • 5
    There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
  • 6
    Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
  • 7
    Apollo 17 astronaut Gene Cernan, the last man to walk on the Moon, wrote his daughter initials there. They’ll last at least 50,000 years.
  • 8
    There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
  • 9
    Olympus Mons, on the planet Mars, is the tallest volcano in the Solar System at a height of 14 miles. It is nearly 3 times the height of Mount Everest.
  • 10
    In 1977, researchers detected a strong radio signal from space that lasted 72 seconds. It hasn't been detected since.
  • 11
    An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
  • 12
    Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
  • 13
    On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
  • 14
    A comet's tail always points away from the sun.
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  • 15
    The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
  • 16
    It 'snows' metal on Venus.
  • 17
    A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
  • 18
    The sun puts out more power in 1 second than mankind has ever used within human existence.
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  • 19
    The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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  • 20
    Pluto is smaller than Russia.
  • 21
    Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
  • 22
    In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
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  • 23
    Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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  • 24
    An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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  • 25
    Summer on Uranus lasts for 21 years.
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  • 26
    If two pieces of metal touch in space, they become permanently stuck together.
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  • 27
    One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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  • 28
    The light hitting the earth right now is 30 thousand years old.
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  • 29
    The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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  • 30
    Sound doesn't travel in space.
  • 31
    It would take more than 150 years to drive a car to the sun.
  • 32
    Jupiter is bigger than all the other planets combined.
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  • 33
    The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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  • 34
    Venus is the only planet that rotates clockwise.
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  • 35
    Today's top fuel dragsters take off with more force than the space shuttle.
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  • 36
    There are two golf balls sitting on the moon.
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  • 37
    There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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  • 38
    The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
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  • 39
    The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
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  • 40
    The temperature of the earth's interior increases by 1 degree every 60 feet down.
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More Space Facts

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