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Most comets move much faster than the Earth's velocity around the Sun, which is about eighteen miles per second. Halley's comet makes a wide loop every seventy-six years. Its farthest point from the Sun is beyond Neptune. When it is that far out, it parades through space very slowly; an airplane could probably keep up with it. As the comet moves in, it picks up speed. By the time it passes the Earth, it is sprinting along at close to forty miles per second.
Wiki User
∙ 12y ago
Wiki User
∙ 9y agoEvery comet is different, and they travel at different speeds at different points in their orbits.
In close to the Sun, comets are moving very rapidly because they have "fallen" from very distant orbits to a point very near the Sun. After passing the Sun, the Sun's gravity slows them down, to the point that they are hardly moving at all at their apehelion, or most distant point from the Sun. Then they begin to fall again. For periodic comets, this is their life.
Wiki User
∙ 14y agoThe comet moves fastest when it is closest to the Sun - in other words, at apapsis.
The comet moves fastest when it is closest to the Sun - in other words, at apapsis.
The comet moves fastest when it is closest to the Sun - in other words, at apapsis.
The comet moves fastest when it is closest to the Sun - in other words, at apapsis.
Wiki User
∙ 13y agoThe speed of Halley's Comet varies considerably, because its orbit is so elongated. At its farthest point in its orbit, it is travelling less than 1 km/sec (3600 km/hr). When it is nearest the Sun, it is closer to 100 km/sec (360000 km/hr). The often-quoted speed of 150,000 miles an hour refers to its velocity when passing Earth's orbit in 1910. The Earth-relative speed was 70.56 km/sec, which is 254,016 km/h or 157,838 mph.
Wiki User
∙ 14y agoThe elongated orbit of Halley's Comet means that it has considerable velocity relative to the Earth and the Sun when it makes its closest approaches.
Although estimates for its 1910 passage were about 250,000 km/hr (70.56 km/sec), the measurements for its 1986 visit were 100,000 km/hr at its nearest to Earth, and 150,000 km/hr at perihelion. By comparison, its velocity at its farthest point (aphelion), as far out as Pluto, is as low as 3000 km/hr (0.83 km/sec).
Wiki User
∙ 11y agoObjects (meteors, asteroids) near Earth will usually have a speed between about 10 and 70 km/sec.
Pedantic point: They move at exactly the same speed as the Earth, because
part of the definition of a meteorite is that it has landed on
planet Earth. OK, I know you didn't mean that.
Wiki User
∙ 13y agoThe comet has a changing velocity, from around 1 km sec at aphelion to 100 km/sec or more when it is closest to the Sun. The speed estimated as it passed Earth's orbit in 1910 was 70 km/sec (254,016 km/h or 157,838 mph).
Like everything else in space, Halley's Comet follows an elliptical orbit. When it is closest to the Sun, it is moving fastest, and when farthest away, it is moving quite slowly. Right now, Halley's Comet is out beyond the orbit of Neptune, moving slowly and slowing down even more as it climbs away from the Sun. In about 10 years, it will reach aphelion, at which time it will be almost completely stopped relative to its distance from the Sun, and then it will begin the long fall into the inner solar system.
Wiki User
∙ 13y agoThe Earth goes around the Sun at about 30 km/sec; a comet or meteorite, coming from the far reaches of the Solar System, can have a speed of up to 42 km/sec. This means that the relative speed can be anywhere between about 10 and 70 km/sec, depending on whether the Earth and the other object travel in the same direction, or in opposite directions.
Wiki User
∙ 13y agoThat depends on where in its orbit the comet is. Near the Sun, the comet was moving VERY fast indeed, but in 1200 years or so, a few hundred AU from the Sun, it will hardly be moving at all. And then it will begin to make its long fall back into the inner solar system.
Wiki User
∙ 13y agoThe distance from the Sun is between 0.586 AU and 35.1 AU. The closest distance from Earth varies depending on where the Earth happens to be when the comet crosses the orbit.
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How long will it take if you traveled at the speed of light to get from earth to a comet?
That will completely depend on where the Earth and the comet are in their respective orbits. No single answer is possible.
Does a comets speed change as it orbits the sun?
Yes. Comets have highly elliptical orbits. They move fastest when they are nearest the sun and slowest when they are farthest away.
What body has the fastest orbital speed as it orbits the sun asteroid or comet?
comet
What is the association between a comet size and its crater diameter approximately?
Are you asking how big the crater would be if it struck the Earth? In one sense, it would depend on the size of the comet and the speed; in another sense, it might not matter at all. The kinetic energy of any object is the mass times the velocity squared. Calculate the approximate mass of the comet, multiply it by the collision speed. If the comet were to come from behind, the impact velocity would be lower than if the comet hit us "head on". Whatever the comet's velocity, you would need to add the Earth's escape velocity; any object falling to Earth from space will have a additional velocity from Earth's gravity, which is 7 miles per second, about 25,000 miles per hour. Here's why it really wouldn't matter; if the comet is big enough and fast enough, it won't create a crater; it will re-make the Earth itself. The comet could punch THROUGH the crust of the planet, releasing the magma, the liquid rock in the mantle. If it's big enough, it could wipe out humanity, and many other species on Earth.
What is the speed of hades comet?
2km/h
How long will it take if you traveled at the speed of light to get from earth to a comet?
That will completely depend on where the Earth and the comet are in their respective orbits. No single answer is possible.
If a comet is close to the sun how fast does it travel?
If any comet comes CLOSER to the Sun than Earth's distance from the Sun, its speed will be LARGER than that of Earth, which is 30 km/second.The exact speed will depend on how close the comet gets to Earth, and - to a lesser extent - on the exact shape of its orbit. If you know the orbital characteristics, you can get the speed using Kepler's laws. For a start, compare the orbit to Earth's orbit, using Kepler's Third Law.
Does a comets speed change as it orbits the sun?
Yes. Comets have highly elliptical orbits. They move fastest when they are nearest the sun and slowest when they are farthest away.
Does the speed earth revolve around the sun logic?
100,000 km/hr the earth will become a comet or same as the sun
What body has the fastest orbital speed as it orbits the sun asteroid or comet?
comet
What is the maximum speed of the mercury comet automatic 6cyl 101hp 1962?
The maximum speed of the 1962 Mercury Comet is 81 mph.
What is the association between a comet size and its crater diameter approximately?
Are you asking how big the crater would be if it struck the Earth? In one sense, it would depend on the size of the comet and the speed; in another sense, it might not matter at all. The kinetic energy of any object is the mass times the velocity squared. Calculate the approximate mass of the comet, multiply it by the collision speed. If the comet were to come from behind, the impact velocity would be lower than if the comet hit us "head on". Whatever the comet's velocity, you would need to add the Earth's escape velocity; any object falling to Earth from space will have a additional velocity from Earth's gravity, which is 7 miles per second, about 25,000 miles per hour. Here's why it really wouldn't matter; if the comet is big enough and fast enough, it won't create a crater; it will re-make the Earth itself. The comet could punch THROUGH the crust of the planet, releasing the magma, the liquid rock in the mantle. If it's big enough, it could wipe out humanity, and many other species on Earth.
What is the speed of hades comet?
2km/h
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).
What is a shooting made of?
A shooting star is made up of rocks then they go around a planet to get more speed then they go and crash on the earth or rome around it; a comet
What happens to the speed of a comet when it reaches earth?
Most comets never reach the Earth. However, if one did it would probably be traveling at about 120,000 miles per hour, and it would make QUITE a mess!
What is the wind speed on a comet?
It's 2395 mph.
