Information about the land
ELC-143 the best thing is Earth Day is celebrated on April 22 every year. Earth is the third planet from the sun in the eight planets of the solar system. It is also known as Earth, Blue Planet, World, and Soil. Earth is the third closest planet to the Sun after the blue marble planet and Terra or Gaia.
Scientific research has shown that the Earth is 4.54 billion years old.
The earth is home not only to man but also to millions of other living beings, and at the same time, it is the only known place in the known universe where life exists. The beginning of life on this surface appeared about a billion years ago.
Suitable environments for the birth of life on Earth (such as the exact distance from the sun, etc.) were not only already available but also evolved since the origin of life so that living things have changed the planet’s environment and other ecological conditions. Has given the current shape to the environment.
The abundant presence of oxygen in the Earth’s atmosphere also contributes to these organisms. According to the evidence obtained from radiometric testing. One billion years later, life began in the oceans, which began to affect the earth’s surface and atmosphere. Just as this environment makes life possible underwater, so does life on earth.
The location of our earth in the solar system makes this place the best environment possible for life to flourish. The emergence of the ozone layer came about through the spread of biology. Along with the Earth’s magnetic field, the second layer that prevents the sun’s harmful radiation is ozone.
The upper part of the Earth is divided into several hard layers or tectonics plates that have been moving from one place to another throughout geological history.
And total surface area of the earth is about 510,072,000 km2.
Of which 148,940,000 km2
That is 29.2% of the land
And 361,132,000 km2
That is, water is present at 70.8%.
In the atmosphere of the earth
78.08% nitrogen (n2) (dry air)
20.95% Oxygen (O2)
0.039% carbon dioxide
1 exists in the form of water (variable climate).
The creation of the earth involves the following elements
1.9% sulfuric acid
Other elements are included
The maximum temperature on Earth is 56.7 C, the average is 15 ° C and the minimum temperature is minus 89.2 C. The air pressure in the atmosphere is 101.325 kPa which is perfect for life.
In terms of area, about 71% of the land surface is covered by saltwater seas, the remaining 29% includes continents and islands, and freshwater lakes. Water is the beginning of life and water is essential for all forms of life which is not currently known to exist on the surface of any planet other than our earth in our solar system.
Water on Jupiter has recently been confirmed to be in the form of ice and research is underway.
Rivers, canals, and other water bodies on continents and islands include hydrospheres.
When seawater contains salt. Most of the land is covered with ice, including the solid ice of the continent of Antarctica and the icy oceanic part.
Earth’s gravity causes various factors in space, especially the orbit of the sun and the moon orbiting the earth. The earth completes 365.26 solar days by rotating its axis 366.26 times.
The formation of different seasons on Earth is possible due to the 23.4 tilt on the surface of its rotational axis.
The average rotation of the Earth revolves around its axis at an average speed of 29.78 km per second and 107,200 km per hour. We call the year.
The first creation of the earth took place in three main layers called the crust, the crust, and the crust. The outer layer is in a liquid state called lava. Lava acts with a solid iron and nickel layer (inner core) to create a magnetic field in the earth.
Earth interacts with other objects, including the sun and moon, in outer space.
and almost The earth rotates about its axis about 366.26 times. The length of time is one sidereal year, which is equal to 365.26 solar days.
A natural planet (moon) orbiting the earth and as of October 2013, 1070 artificial research satellites were orbiting the earth. As of October 2013, more than 21,000 pieces of debris of 10 cm were orbiting the earth.
One day on Earth is 86,400 seconds. One Earth Day today is slightly larger than in the 19th century, due to the Earth’s tilt and rotation speed. Each new day is 0 to 2 solar milliseconds longer than the previous day.
The almost distance from the earth to the sun is 149,600,000 km
almost It takes eight minutes for light from the sun to reach the earth. And Almost The distance from the earth to the moon is 384,000 km
The Earth weighs 5.9736 × 1024 kilograms, which is 5,973,600,000,000,000,000,000,000 kilograms, or 5.9 sixteen tons, while the Sun weighs 333,000 times more than our Earth.
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Earth’s gravity is more powerful than the magnetic gravity that reaches the planets of the sun at a distance of 150,000,000 km. Anything in this gravitational circle of the earth will revolve around the earth at a greater distance than the force of the sun will take it away from the reach of the earthier Earth is 28.0 from the center of the Milky Way galaxy.