101 Facts About Planet Earth


Located 149.6 million km from the Sun is a planet unlike any other! Earth, our home planet, is the only place in the universe that supports life. But what makes Earth so special? It’s home to diverse ecosystems, unique organisms, magnificent geological features, and wonder. So keep on reading to learn 101 facts about Earth.  

Fact 1: Earth is the third planet from the sun and is the only known planet that is capable of supporting life.

Fact 2: Research evidence shows that the planet was formed over 4.5 billion years ago. 

Fact 3: Earth completes its journey around the sun in 365.26 solar days.

Fact 4: It’s considered to be the densest planet in the solar system.

Fact 5: Even though The planet itself also rotates on its own axis about 366.26 times during the year.

Fact 6: Earth is also the largest among the four rocky terrestrial planets (Mercury, Venus, Earth, and Mars). 

Fact 7: 71% of Earth’s surface is covered by water.

Fact 8: 29% of Earth’s surface is made up of land such as islands and continents.

Fact 9: Bothof Earth’s polar regions are covered in ice.

Fact 10: Earth’s North Pole region is called the Arctic and the South Pole region the Antarctic.  

Fact 11: Geological evidence suggests that life may have started on Earth around 3.5 billion years ago.

Fact 12: There are over 7.7 billion humans living on Earth at present.  

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Fact 13: Right now, there are around 195 independent sovereign countries states on the planet. But that number is changing all the time.   

Fact 14: Earth lies within the “Goldilocks zone” around the Sun. This is the zone where liquid water can exist on the surface of a planetary body.

Fact 15: For 2000 years, humans believed that the Earth was the center of the universe.

Fact 16: In 1543, Nicolaus Copernicus, a Renaissance-era polymath, published his heliocentric, Sun-centered, model of the Solar System which put the Sun at the center of our solar system instead of Earth. 

Fact 17: Earth’s atmosphere is made up of different gases including 78% nitrogen, 21% is oxygen, and 1% is other gases including argon and carbon dioxide. 

Fact 18: It’s the only planet that is not named after a mythological god or goddess

Fact 19: Earth’s name comes from the Old English word “ertha” meaning ground or land.

Fact 20: The Earth’s inner core is a giant sphere made up of solid iron and nickel. This giant sphere of solid metal is about 2,440 km in diameter. This is roughly the same width of Australia which is 2500 km wide.

Fact 21: Earth’s inner core has a temperature of 5427℃. This is way above the melting point of diamond which is about 4,027°C.

Fact 22: The inner core is surrounded by a liquid outer core, which is a 1,400-mile-thick band of iron and nickel fluid. 

Fact 23: Standing at a height of 8.8 km, Mount Everest is the Earth’s highest point.

Fact 24: The lowest point on Earth is Challenger Deep at the bottom of the Mariana Trench. The trench, which is 11,034m below sea level, can be found in the pacific ocean just off the coast of Japan.

Fact 25: Earth’s oceans contain 97% of the planet’s volcanoes. 

Fact 26: The mid-ocean ridge, or MOR, is a massive underwater mountain range that’s been formed by tectonic plates pulling apart lava bubbling up from deep within the Earth.

Fact 27: The Mid-Ocean Ridge, or MOR, is the longest unbroken mountain range on Earth. At over 60,000 km long, the MOR can be found in every ocean on Earth.

Fact 28: The Greenhouse effect is a naturally occurring phenomenon on the planet that keeps the planets temperate relatively stable.

Fact 29: Without the natural greenhouse effect that surrounds Earth, the planet would be much colder. In fact, Earth’s average temperature would be over 33°C lower at an average planetary temperature of -18°C.

Fact 30: Earth’s average temperature is 15°C. This relatively warm temperature is largely thanks to Earth’s natural greenhouse effect.

Fact 31: Earth is the only planet in the Solar System with plate tectonics.

Fact 32: Earth’s crust is broken up into regions known as tectonic plates. These gigantic plates of solid rock ‘float’ on the plastic deformable upper layer of Earth’s mantle. Over normal time periods, the upper mantle appears like normal solid rock. But over geological time scales, millions of years, the upper mantle is deformable and acts like an extremely viscous, thick, fluid that drags the plates apart and smashes them into each other.

Fact 33: From 1980 to 2000, extreme weather events caused an average of 11,800 human deaths per year.

Fact 34: The Earth is one huge magnet, with magnetic poles located near the north and south poles. 

Fact 35: Earth’s magnetic field extends thousands of kilometers out from the surface of the Earth, forming a region called the ‘magnetosphere’.

Fact 36: Earth has one moon, which creatively, is called the Moon.

Fact 37: Earth has 2 co-orbital satellites. The 2 satellites are called ‘3753 Cruithne’ and ‘2002 AA29’, which are part of a larger population of asteroids known as Near-Earth Objects (NEOs).

Fact 38: Earth’s atmosphere is made up of 5 main layers: Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.

Fact 39: Our planet’s atmosphere extends to around 10,000 km into space.

Fact 40: 98% of the atmosphere, by mass, can be found within 50 kilometers of Earth’s surface. 

Fact 41: On April 12, 1961, Yuri Gagarin became the first human to orbit the Earth.

Fact 42: Twelve people have walked on Earth’s Moon.

Fact 43: All crewed lunar landings took place between July 1969 and December 1972 as part of the Apollo program.

Fact 44: It’s the only planet in our solar system where water can be present in all three states (solid, liquid and gas).

Fact 45: Tides on Earth are caused by the gravitational attraction between the planet, the Moon, and, to a lesser degree, the Sun.

Fact 46: Its largest artificial satellite orbiting Earth is the International Space Station.

Fact 47: Currently, there are approximately 1,886 artificial satellites orbiting the Earth. 

Fact 48: It takes light from the Sun 8 minutes and 20 seconds to reach Earth. So when you look up at the sun, don’t look at it directly, you’re actually looking back in time at what the sun looked like 8.3 minutes in the past.

Fact 49: Ther are approximately 9,096 stars visible to the naked eye across the entire night sky.

Fact 50: It is thought that there are over 3 trillion trees on Earth. That means there are about 425 trees per person on the planet.

Fact 51: There is roughly 7.5 x 1018 grains of sand, or seven quintillion, five hundred quadrillion grains, on Earth.

Fact 52: Earth’s aphelion its furthest point from the Sun during its orbit, is 152,100,000 km. If you decided to walk to the Sun from Earth, at an average speed of 2.5 km/h, it would take you 6945 years, yes years, to get there.

Fact 53: Earth’s perihelion, its closest approach to the Sun during its orbit, is 147,95,000 km. If you took a jet airliner, traveling at an average speed of 950 km/h to the Sun, it would take you 17.7 years to reach the Sun.

Fact 54: The average distance Earth is from the Sun is 149,598,023 km.

Fact 55: The difference between Earth’s closest and farthest approach from the Sun on its orbit is 5,005,000 km. That’s a 3.4% difference.

Fact 56: Earth’s orbit around the Sun is not a perfect circle.

Fact 57: Earth’s average orbital speed is 29.78 km/s. That’s over 1000 times faster than an average car’s speed on a highway.

Fact 58: 99% of all species that have ever existed on Earth are extinct.

Fact 59: it is thought that simple single-celled life first arose on Earth 4.1 billion years ago.

via GIPHY

Fact 60: Earth’s average diameter is 12,742 km. That means it is 109 times smaller in diameter than the Sun.

Fact 61: Earth’s circumference is 40,075.08 km. To give you some idea of how vast that is, a soccer ball is 57.25 million times smaller.

Fact 62: There are over 16,000 pieces of space debris in orbit around the Earth.

Fact 63: Earth’s total surface area is 510,072,000 km²

Fact 64: The total volume of the Earth’s sphere is a huge 1.08321×1012 km3. Written out in full this number looks like this: 1,083,210,000,000.

Fact 65: The total mass of the Earth is 5.972×1024 kg. That’s about 330,000 times less massive than the Sun.

Fact 66: The average density of the Earth is 5.5 g/cm3. That’s about 5.5 times the density of water.

Fact 67: Earth’s equatorial rotational velocity is about 465 m/s. That’s about one third faster than an average jet airliner’s cruise speed.

Fact 68: Earth’s escape velocity, the speed an unpowered object needs to achieve to escape its gravity well, is 11.186 km/s.

Fact 69: Earth’s surface gravity, the speed of acceleration that objects are pulled towards the center of the Earth, is roughly 9.8 m/s2.

Fact 70: Earth’s highest ever recorded temperature was 56.9°C.

Fact 71: The lowest temperature ever detected on Earth was -89.2°C.

Fact 72: The solar system that Earth resides in formed 4.567 billion years ago.

Fact 73: Earth, billions of years ago, was once struck by a Mars-sized planet called Theia. This impact melted the entire globe, threw trillions of tons of material into orbit, and eventually created the moon.

Fact 74: The moon was once much closer to the Earth and would’ve created tides in Earth’s primordial oceans that would have been over 100 m high.

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Fact 75: Earth’s oceans were created from three sources. Volcanic activity, outgassing from the crust, and comet impacts.

Fact 76: When the Earth first formed it received only 70% of the light it does today. This would have made the planet far colder.

Fact 77: Earth once had a supercontinent, where all the landmasses joined together, called Pangaea. It broke apart about 180 million years ago.

Fact 78: Homo sapiens, humans, have existed on Earth for only 500,000 years.

Fact 79: If you represented all of the earths 4.5 billion year history as a 450 m tall skyscraper, with the very top being the present, humans would’ve only existed in the top 5 cm of the skyscraper.

Fact 80: It is estimated that there are over 6000 languages spoken worldwide.

Fact 81: The most populated country on Earth is China with 1.4 billion people. This is 18.47% of all the people on Earth.

Fact 82: It has been estimated that there are over 8.7 million animal and plant species on Earth.

Fact 83: Scientists believe Earth is home to well over 5 million trillion trillion bacteria. And about 1 trillion of those live inside your body!

Fact 84: Earth really is made of Stardust! The solar system started out as a giant cloud of gas and dust. This swirling mass of molecules came from a previous generation of stars that had exploded.

Fact 85: The largest earthquake to have ever occurred on Earth was a magnitude 9.5 quake in Chile on May 22, 1960.

Fact 86: Iron and oxygen together make up 62% of the Earth’s total mass.

Fact 87: 88.8% of the Earth’s core is made from iron.

Fact 88: Earth’s crust can be as thin as 6 km under the oceans and as thick as 50 km under mountains.

Fact 89: The summit of Chimborazo, an extinct 6,263.5 m volcano in Ecuador, is the furthest point from the Earth centre on Earth’s surface.

Fact 90: In about 1 billion years’ time, Earth’s oceans will be boiled off due to the Sun’s increasing temperature.

Fact 91: In about 5 billion years’ time, near the end of the Sun’s life, the Sun will expand and engulf the Earth. The Earth will then, while inside the Sun, vaporize quickly in as little as 10,000 years.

Fact 92: Earth’s atmospheric pressure to sea level is 14.696 psi.

Fact 93: From Earth’s surface the apparent diameter of the Moon and the Sun are the same. The moon is 400 times smaller than the Sun, but it’s also 400 times closer to the Earth and the Sun.

Fact 94: Earth, and the solar system, is located about 28,000 light-years from the Milky Way galaxy’s center.

Fact 95: Earth’s human population is expected to reach 9.2 billion by 2050.

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Fact 96: 90% of all humans live in the northern hemisphere.

Fact 97: 68% of all Earth’s landmass is in the northern hemisphere, leaving only 38% in the south.

Fact 98: The largest non-polar desert on Earth is the Sahara desert in North Africa. It is 9,000,000 km². This is just slightly smaller in area than all of the United States of America.

Fact 99: The largest ocean on Earth is the Pacific ocean. It has a huge area of 161,800,000 km² which is 14,000,000 km² more area than all the landmass on Earth.

Fact 100: The oceans contain 97% of all Earth’s water.

Fact 101: All of the world’s oceans combined contain a staggering 1, 350,000,000 km³ of water.

References

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