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Title : Amazing Facts About BUMI | World Facts News
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Amazing Facts About BUMI | World Facts News
[ad_1]Earth is the planet we live in. The earth rotates around the Sun in our solar system. As far as we know, Earth is the only planet inhabited by living things. Two thirds of the Earth's surface is water and one third is land. The earth is surrounded by the atmosphere - layers of air that contain oxygen.
Earth is the third planet from the Sun which is the most populous planet and the fifth largest of the eight planets in the Solar System. Earth is also the largest of the four earth planets of the Solar System. Earth is sometimes called the world or the Blue Planet. The earth formed about 4.54 billion years ago, and life appeared on its surface in the first billion years.
Always moving
Like all planets, the Earth is always moving. The earth rotates on its axis (an imaginary line from one pole to another) in a orbit called orbit, around the Sun.
Crust
The outermost layer of the Earth is called the crust. The crust covers the ocean and land where we live. The earth's crust opens from hard rock, which splits into several giant fragments called plates.
Earth's coat
The layer beneath the crust is called the Mantel. Thick coat around 2,900 kilometers. The heat from inside the Earth makes some rocks melt in the mantle. The hot and molten rock is called magma.
Earth's core
The center of the Earth is called the Point. The outside of the core is made of liquid iron. The inside of the core is solid iron. The temperature in the Earth's core is around 5,000 degrees Celsius.
Continental Plates
In most places, the crust of the Earth is less than 50 thousand kilo meters. This crust breaks into large pieces, called continental plates. This plate floats on the hot, molten rock underneath.
Moving Plates.
Continental plates move very plates - about 2.5 centimeters annually. Where the plates collide, the edges will bend and the mountains will form. Earthquakes and volcanoes also occur on the edges between plates.
How were the Earth and Moon formed?
About 4.5 billion years ago, matter in a giant gas cloud was clumping. These lumps become the Sun and planets, including Earth.
When it was first formed, Earth was a ball of molten rock.
Before it cools, the Earth is hit by a giant Meteor (a rock that sped across space)
BRIEF FACTS The sizes of continents on EarthAfrica: 30,319,000 sq kmAntarctica: 13,209,000 sq kmAsia: 44,387,000 km kmNorth America: 24,249,000 sq kmOceania: 8,510,000 square kmSouth America: 17,823,000 square km
DO YOU KNOW! Today, land on Earth splits into seven continents. Millions of years ago the seven continents merged to form one giant continent called PPangaea.Earth's continental plate 175 million years ago
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