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Moon: Earth has one natural satellite, the Moon, which plays a crucial role in stabilizing Earth's axial tilt and causing ocean tides.
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Spiked and studded dog-collars were an Ancient Greek invention.
Who would think that the spiked collars we see on cartoon characters or the local scene kid had ancient origins? Ancient Greek herders would give their sheep-dogs sharply spiked collars as protection from wolves while they guarded livestock at night.
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A full jumbo jet tank has enough fuel to drive a car around the world four times.
One of the most mind-blowing fun facts: The average jumbo jet burns roughly a gallon (approx. 4 litres) of fuel every second. Compared to the average car fuel tank, this capacity can fill a car with enough fuel to circle the world four times over. Talk about a road-trip.
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Artist Salvador Dali would get out of paying at restaurants by drawing on the checks.
The renowned artist responsible for Chupa Chupp’s logo was not a fan of paying for his meals. Often, he would draw on the checks, making them priceless works of art. He may be stingy and obsessed with money, but you gotta give the guy credit for his genius.
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Jellyfish almost caused mass nuclear explosions in 2013.
In the extremely warm summer of 2013, several nuclear power plants across the world were forced to close down because of jellyfish. The sudden increase in jellyfish clogged the filters that cooled down the reactors, which led to the power plants to be shut down for immediate maintenance and safety measur
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A seaman once set a ship on fire to get out of work early.
Definitely one of the “don’t-try-this-at-home” fun facts: A civil employee once started a fire that ravaged the nuclear submarine USS Miami which was docked at a Naval Shipyard. Though the cause for the fire was unclear at first, civilian employee Casey J. Fury soon admitted to starting the fire for an early dismissal from work. Fury was sentenced to 17 years in federal prison and ordered to pay $400 million in damages.
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Tea bags were an accidental invention.
When Thomas Sullivan distributed tea samples in small, silk bags in 1908, his customers dunked them in water – bag and all. Now, this seems like the normal thing to do – but this was during a time when you could only drink tea through big strainers. From Sullivan’s samples, the conventional tea bag was born.
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Structure
Earth is composed of several layers:
Inner Core: A solid sphere of iron and nickel, about 759 miles (1,221 kilometers) in radius, with temperatures up to 9,800°F (5,400°C).
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A man once won a horse race after he died.
This one will have you saying, “What the fact?!” but this dark fun fact is definitely takes “winning spirit” to another level. Frank Hayes was a jockey who suffered a fatal heart attack mid-race. However, his horse still led and finished the race in first place. As such, Hayes was the first and only jockey to win a race posthumously in 1923.
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At birth, baby pandas are smaller than mice.
Giant pandas may grow to over 6 feet, but one of the interesting fun facts about them is their tiny size upon birth. A newborn panda cub weighs 3-5 ounces and is the measly size of a butter stick. That’s almost 1/900th the size of its mother!
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Jack Daniel was believed to die from kicking a safe.
Another morbidly funny fact: Jack Daniel was said to die from kicking a vault. According to the tale, he broke his toe after kicking the safe in anger due to not remembering the combination. It was then that he contracted sepsis. However, this admittedly ridiculous story has since been refuted by some experts.
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Origin and Evolution
Big Bang Theory: The leading explanation for the universe’s origin is the Big Bang, which occurred about 13.8 billion years ago. All space, time, matter, and energy began from an extremely hot, dense state and have been expanding ever since.
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Outer Core: A 1,400-mile-thick (2,300 kilometers) layer of liquid iron and nickel surrounding the inner core.
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A kimono literally translates to “thing to wear.”
Japanese people are known for their punctuality and precise way of life, but it seems they also have a distinct discipline of words. One of the interesting fun facts about Japan is that the word “kimono” literally translates to a “thing to wear.” Ki means “wear,” while mono means “thing”.
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Dark Matter and Dark Energy: Ordinary matter (everything we can see and touch) makes up less than 5% of the universe. About 27% is dark matter, which does not emit light but exerts gravitational effects, and about 68% is dark energy, a mysterious force driving the universe’s accelerated expansion.
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Size and Scale
The observable universe is at least 93 billion light-years across, but the total size may be much greater and possibly infinite.
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The universe is isotropic and homogeneous on large scales, meaning it looks the same in all directions and locations when viewed at a sufficiently large scale.
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Cosmic Inflation: In the first fraction of a second, the universe underwent a rapid expansion called inflation, which set the stage for its large-scale structure.