Facts About EARTH

Here are some interesting facts about the Earth:

The Earth is the third planet from the Sun and is the only known planet to support life. It is the fifth-largest planet in the solar system and has a diameter of approximately 12,742 kilometers (7,917 miles).

The Earth is made up of three main layers: the crust, the mantle, and the core. The crust is the outer layer and is made up of solid rock. The mantle is the middle layer and is made up of molten rock. The core is the innermost layer and is made up of iron and nickel.

The Earth rotates on its axis, which causes the changing of seasons. It takes about 365.24 days for the Earth to orbit around the Sun, which is why we have a leap year every four years.

The Earth has one natural satellite, the Moon. The Moon is about one-quarter the size of the Earth and orbits around it every 27.3 days.

The Earth has a diverse range of ecosystems, including forests, grasslands, deserts, and oceans. These ecosystems support a wide variety of plant and animal life, including over 8.7 million known species.

The Earth’s atmosphere is made up of 78% nitrogen, 21% oxygen, and trace amounts of other gases, including carbon dioxide and methane. The atmosphere helps to protect life on Earth by filtering out harmful solar radiation and maintaining a stable climate.

The Earth has a magnetic field, which is generated by the movement of molten iron in its core. The magnetic field helps to protect life on Earth by deflecting solar wind and cosmic radiation.

The Earth is the densest planet in the solar system and is made up of a variety of minerals and elements, including iron, oxygen, silicon, and magnesium.

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