in astronomy what is the difference between revolution and rotation quizlet?
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It is important to understand the difference between rotations and revolutions. When an object turns around an internal axis (like the Earth turns around its axis) it is called a rotation. When an object circles an external axis (like the Earth circles the sun) it is called a revolution.
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Rotation and Revolution "Rotation" refers to an object's spinning motion about its own axis. "Revolution" refers the object's orbital motion around another object. For example, Earth rotates on its own axis, producing the 24-hour day. Earth revolves about the Sun, producing the 365-day year.
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What is the difference between a planet and a moon? There is a very basic difference between the two: A planet revolves around the Sun and a moon orbits a planet. Technically, the moon also orbits the Sun as it spins around its planet, but because it has its own sub-orbit of a planet scientists define it as a moon.
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Question 4: What is the difference between a planet and a comet, as given in the story? Answer: Planets encircle the sun in circular paths hence are visible throughout the year. On the other hand, comets move in an eccentric path hence are visible once in several years and even once in a century.
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Rotation of the Earth is its turning on its axis. Revolution is the movement of the Earth around the Sun. ... The Earth's axis of rotation is tilted by 23.5 degrees.
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The earth rotates about an imaginary line that passes through the North and South Poles of the planet. This line is called the axis of rotation. Earth rotates about this axis once each day (approximately 24 hours).
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Earth spins around its axis, just as a top spins around its spindle. This spinning movement is called Earth's rotation. At the same time that the Earth spins on its axis, it also orbits, or revolves around the Sun. This movement is called revolution.
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Rotation around the front-to-back axis is called roll. Rotation around the side-to-side axis is called pitch. Rotation around the vertical axis is called yaw.
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The mass of a rotating object and its velocity are proportional to one another. As mass increases, the velocity must increase as well.
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Reflection is flipping an object across a line without changing its size or shape. Rotation is rotating an object about a fixed point without changing its size or shape. The translation is sliding a figure in any direction without changing its size, shape or orientation.
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Rotation of the Earth is its turning on its axis. Revolution is the movement of the Earth around the Sun. ... The path of the Earth moving around the Sun is called an orbit. The Earth's orbit is elliptical.
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Axis of rotation. Earth's axis of rotationEarth's axis of rotation itself rotates, or precesses, completing one circle every 26,000 years. Consequently, Earth's North Pole points toward different stars (and sometimes toward empty space) as it travels in this circle.
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It is used when one body moves around another, while rotation is used to mean the movement around the axis. For example, the Moon revolves around the Earth and the Earth revolves around the Sun.
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The only difference between rotational and translational kinetic energy is that translational is straight line motion while rotational is not. ... The rotational motion of the tire means it has rotational kinetic energy while the movement of the bike along the path means the tire also has translational kinetic energy.
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There is, however, a relationship between a planet's distance from the Sun and its period of revolution. Kepler's third law of planetary motion says that the square of the planet's orbital period is proportional to the cube of its semimajor axis.
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Rotation is rotating an object about a fixed point without changing its size or shape. The translation is sliding a figure in any direction without changing its size, shape or orientation.
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A straight angle typically measures 180 degrees (that is, half of one complete revolution). Unit of measurement is radians or degrees. A straight line is a connector of two points. It typically measures the distance between those two points.