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Many people tend to confuse the two terms, but there's a clear difference between rotation and revolution. While both describe circular movements, those motions are quite distinct, and knowing how to tell them apart can be important - especially in astronomy and physics, for instance. Let'stake a closer look at rotation and revolution and see what they mean exactly.

Rotation

Rotation can be defined as the circular motion of an object around its own axis, or upon itself. When an object rotates, every point of that shape circles the central axis, so there is always the same distance from any point of the object to the center.

To better understand the concept, let's take Earth as an example. Earth makes a full rotation around itself from West to East every 24 hours (approximately), "giving birth" to day and night, as well as to currents, winds and tides. It spins around its own axis, which traverses the planet's center from the North Pole to the South Pole, perpendicular to the equator.

Revolution

Revolution can be defined as the circular movement of an object around an external axis, or around another body. For instance, we talk about revolution when describing Earth's movement around the Sun, the moon orbiting the Earth, a car doing laps around a race track, or a bee circling a flower.

In astronomy, telling the difference between rotation and revolution is highly important, because the two motions have completely different effects on celestial bodies. Taking Earth as an example again, Earth's orbital revolution around the Sun is what creates the changing of seasons, and it is also the cause of the solstice and equinox.

The Differences between Rotation and Revolution

So, is the difference between revolution and rotation a bit clearer for you now? Let's recap and put the two terms side by side. Check out the table below for an overview:

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Rotation Vs.Revolution: What Are The Differences?

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Many people tend to confuse the two terms, but there's a clear difference between rotation and revolution. While both describe circular movements, those motions are quite distinct, and knowing how to tell them apart can be important - especially in astronomy and physics, for instance.

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Hope you like Rosie liked being the center of attention.

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Rotation is where Earth rotates or spins around an imaginary line we call an axis. It takes 24 hours for one complete rotation, and an effect of rotation is day and night.

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Revolution is where Earth or an object revolves moves around another body. This process takes 365.25 days, and an effect of revolution is seasons.