The Planet Earth: Astronomy and Space for Kids - FreeSchool
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Earth is a planet with liquid water, a nitrogen-oxygen atmosphere, and a layered composition including a core of iron and nickel, experiencing seasons due to its tilted axis. It orbits the sun every 365 days, rotates every 24 hours, and is located about 93 million miles away from the sun.
Insights
- Earth is the third planet from the sun, the largest of the inner planets, and the only one with liquid water on its surface, located about 93 million miles away from the sun.
- The Earth's atmosphere, primarily composed of nitrogen and oxygen, allows for breathing, warmth retention, and protection from harmful radiation and meteors.
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Recent questions
What is the composition of Earth's atmosphere?
The Earth's atmosphere is primarily composed of nitrogen and oxygen, which are essential for breathing, warmth retention, and protection from harmful radiation and meteors.
How does Earth's rotation affect its day and night cycle?
Earth rotates every 24 hours, causing the cycle of day and night. This rotation allows different parts of the planet to face the sun, creating the alternating periods of light and darkness.
What causes the changing seasons on Earth?
The changing seasons on Earth are caused by its tilted axis as it orbits the sun. This tilt results in different parts of the planet receiving varying amounts of sunlight throughout the year, leading to the four distinct seasons.
What are the layers that make up Earth's structure?
Earth consists of several layers, including the crust, mantle, and core. The crust is the outermost layer, followed by the mantle, which contains molten rock. At the center lies a hot, solid metal core composed of iron and nickel.
How far is Earth from the sun?
Earth is located about 93 million miles away from the sun. This distance allows the planet to receive the right amount of sunlight to sustain life and maintain its position within the solar system.
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Summary
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"Earth: Third Planet with Liquid Water"
- Earth is the third planet from the sun, the largest of the inner planets, and the only one with liquid water on its surface, located about 93 million miles away from the sun.
- The Earth's atmosphere, primarily composed of nitrogen and oxygen, allows for breathing, warmth retention, and protection from harmful radiation and meteors.
- The Earth rotates every 24 hours, orbits the sun in about 365 days, and its tilted axis causes seasons; internally, it consists of layers including the crust, mantle with molten rock, and a hot, solid metal core of iron and nickel.
