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The path that planets take around the sun is called it's orbit. The gravitation pull of the sun keeps each planet in it's orbit. Each planets orbit varies in the time it takes to make one trip around the sun.
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∙ 9y ago
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∙ 10y agoA planet is slowest when farthest from the Sun.
A planet moves fastest when closest to the Sun
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∙ 14y agoWhen a planet makes one complete rotation around the sun is called a revolution, and an orbit. When it spins on it's axis then it is called a rotation.
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∙ 12y agoIt depends on their mass and their distance from the sun
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∙ 11y agoOrbital velocity
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∙ 14y agoAn elliptical orbit.
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∙ 7y agoIt is called its orbit.
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∙ 15y agoAn "orbit"
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When does a planet move fast or slow?
A planet in an elliptical (oval) orbit will move faster as it gets to its closest point to its sun, and slow down as it reaches its furthest point. A planet with a truly circular orbit will have a constant speed.
The speed of a planet in its orbit around the Sun depends primarily on the planet's?
Distance from the Sun. (The closer it is, the faster it moves.)
What is the speed of a satellite that moves in an eliptical orbit around the earth?
If a satellite is in an elliptical orbit around the Earth, the Earth will be at one of the focii. The speed of the satellite will then constantly be changing. It will move the fastest when it is nearest to the Earth (perigee) and slowest when it is furthest away (apogee).
How does the speed of a planet depends on its distance from the sun?
This was worked out by Kepler about 400 years ago. Kepler's second law of planetary motion shows how a planet moves faster when it's nearer, in its elliptical orbit, to the Sun. Kepler's third law relates the time a particular planet takes to orbit the Sun to its average distance from the Sun. A planet which is farther from the Sun has a slower orbital speed than a planet closer to the Sun.
Does a planet in orbit around the sun travel at a constant speed?
Velocity is a indication of speed and direction, so the fact they travel around it means that the direction is continually changing and, therefore velocity is continually changing. Kepler was the astronomer who discovered the laws of motion for the planets. Newton, a century later, derived the laws from his laws of gravity and motion. The first law of planetary motion states that planets orbit the sun in an elipse. So the speed is continually changing.
A satellite in an elliptical orbit loses speed when it?
A satellite in a closed orbit has the greatest speed when it's closest to the planet, and the lowest speed when it's farthest from the planet.
Why does the Earth have an elliptical orbit around the sun?
I'll assume you mean: "... as opposed to a circular orbit". That is caused by the fact that for a circular orbit, a planet needs a VERY PRECISE SPEED. Change the speed slightly (at a particular point in the orbit), and the orbit immediately becomes elliptical.
At what part of an elliptical orbit does a satellite have the greatest speed the least speed?
in the orbit of a planet there is a point called perihelion which is closest point to the sun and aphelion which is furthest from the sun . Moment of a planet in it's elliptical orbit reaches it's maximum in perihelion
When does a planet move fast or slow?
A planet in an elliptical (oval) orbit will move faster as it gets to its closest point to its sun, and slow down as it reaches its furthest point. A planet with a truly circular orbit will have a constant speed.
What can you then conclude about the orbital speed of a planet in an elliptical orbit?
Kepler's Second Law: The planet moves faster when it is closer to the Sun.
Do planets revolve around the sun at the same speed?
A planet has an elliptical shaped orbit. It orbits with a constant angular speed, but a varying linear speed.
A satellite in an elliptical orbit gains speed when it?
A satellite in an elliptical orbit gains speed as it draws closer to the central body and loses speed as it moves farther away from the central body.
How is a comet's orbit different from the moon or planets?
A comets orbit is elliptical and goes into the depth of the solar system and speed up when it goes around the sun
Orbital speed is the speed with which a planet moves around the Sun This speed is determined by?
The mass of the Sun and the distance between the planet and Sun. As the Sun's mass is (more or less) constant, all we need to know is the distance. Technically this is called the "semi major axis" of the elliptical orbit. (If you wanted to be really, really accurate the mass of the planet does have a very very small effect.)
What describes the speed of a planet traveling in an elliptical orbit around the Sun?
As the planet approaches perihelion (point of nearest approach to the Sun), its orbital velocity gets faster, and it is fastest at perihelion. Similarly, at aphelion (point of furthest approach to the Sun), the orbital velocity is slowest.
The speed of a planet in its orbit around the Sun depends primarily on the planet's?
Distance from the Sun. (The closer it is, the faster it moves.)
Why does a planets distance from the sun change?
To be in a perfect orbit around the Sun, maintaining always the same distance, at a specific distance a planet would need a very specific speed. Since it is unlikely that it just happens to have the correct speed, it will move around the Sun in an ellipse instead.
