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What is the difference between rotation rotation axis and equator?

What is the difference between rotation rotation axis and equator?

This is the stable version, checked on 24 June 2011. An equator is an imaginary circle on the surface of a rotating sphere. As any three-dimensional object, a sphere rotates around a line through its mass center; this line is known as rotation axis. In absence of external torques, a rotation axis is fixed in space.

Why does the Earth revolve on its axis?

Earth spins because of the way it was formed. Our Solar System formed about 4.6 billion years ago when a huge cloud of gas and dust started to collapse under its own gravity. As the cloud collapsed, it started to spin. The Earth keeps on spinning because there are no forces acting to stop it.

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Does the Earth revolve around an internal axis?

The axis is the internal line around which the Earth rotates. The axis is tilted 23.5o from an imaginary vertical line drawn through the Earth. While the Earth is spinning on its axis, it is also revolving around the Sun. The Moon revolves eastward around the Earth, taking 29.5 days to complete one orbit.

What is the difference between Earth axis and equator?

Key Difference: The axis is an imaginary line through both the north and south poles around which the Earth rotates. The equator is the point from which the latitude is calculated. In other words, it is the 0° latitude line. An axis may be defined as an imaginary line around which the object spins.

What is Earth’s equator?

The Equator is an imaginary line around the middle of the Earth. It is halfway between the North and South Poles, and divides the Earth into the Northern and Southern Hemispheres. 4 – 12+ Earth Science, Meteorology, Geography, Physical Geography.

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What does the Earth revolve around?

Earth revolves about the Sun, producing the 365-day year. A satellite revolves around a planet.

Why does Earth orbit the sun and the sun doesn’t orbit Earth?

The Earth is always being pulled towards the Sun by gravity. The Earth is not moving fast enough to “escape” the Sun’s gravity and leave the solar system, but it is going too fast to be pulled into the Sun. Therefore, it keeps going around and around – orbiting the Sun.

Why does the Earth not move towards the sun?

Gravity is caused by mass, so objects with more mass, such as planets and stars, exert a lot of gravity. The earth and everything on it is constantly falling towards the sun because of the sun’s immense gravity. Because of this sideways momentum, the earth is continually falling towards the sun and missing it.

Where does the Earth revolve around?

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the sun
Earth revolves around the sun in 365 days, 5 hours, 59 minutes and 16 seconds. The time a planet takes to revolve around the sun is called a year.

In which direction does the Earth rotates on its own axis?

eastward
Earth’s rotation or Earth’s spin is the rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space. Earth rotates eastward, in prograde motion. As viewed from the north pole star Polaris, Earth turns counterclockwise.