All orbits are ellipses. Some orbits, like the orbit of the Earth around the Sun, are almost (but not quite) circular. Other objects, like the Moon or Mars, have orbits that are more distinctly oval shaped.
Comets have elliptical orbits with very high eccentricity; they are stretched so that they come quite close to the Sun, but still go dozens or hundreds of AU away. Some comets are less severely eccentric. Halley's Comet, for example, only goes out to about 30AU with a period of 76 years, while Comet Hale-Bopp has a period of closer to 2200 years.
The orbits of comets are different from those of planets because they are highly elliptical. A comet's orbit takes it very close to the sun and then far away again whereas a planet's orbit is a more round shape.
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Their compositions are different, comets tend to contain more ice, like dirty snowballs, while asteroids are more rocky. Asteroids are found in more regular orbits, while comets have more eccentric orbits and come from much further out in the solar system.
"A" halley's comet is wrong - this is not a category of comets, there is one specific comet with that name.Halley's Comet - and in fact most comets - have very excentric orbits, meaning the shape is an elongated elipse.
All comet orbits are ellipses.
Very rarely a comet will come in from completely outside of the solar system and never come back again; these are called "parabolic trajectories", but these aren't actually orbits - since the comet doesn't follow the same path again.
An asteroids orbit is often in an asteroid belt where as a comet is able to change its course when it approaches a planet. An asteroid can not do this. An asteroids orbit is often in an asteroid belt where as a comet is able to change its course when it approaches a planet. An asteroid can not do this. An asteroids orbit is often in an asteroid belt where as a comet is able to change its course when it approaches a planet. An asteroid can not do this.
A periodic comet ... that's seen from Earth more than once ... is in an elliptical orbit.
A comet that sails through the solar system and leaves, seen from Earth only once,
is in a hyperbolic orbit.
Comet's orbits are usually highly elliptical, with a much higher eccentricity than the orbit of most planets. Additionally comet's orbits aren't in the plane of the ecliptic -- they don't remain in the Zodiac and can be found anywhere in the sky.
Comets are such small objects that it is unlikely that anything else will orbit a comet. However, it is not impossible - two comets might orbit one another, or some other small object (a meteorite or small asteroid) might orbit a comet. I don't know whether any such orbiting object has actually been discovered.
All orbits are elliptical, no matter what kind of object it is. For comets, the orbits are VERY elliptical.
That is Halley's comet, named after English astronomer Edmond Halley,
A comet. ^.^
Halley's Comet or Comet Halley (officially designated 1P/Halley) is the most famous of theperiodic comets and can currently be seen every 75--76 years. Halley's Comet last appeared in the inner Solar System in 1986, and will next appear in mid-2061.
No. Halley's Comet barely gets past the orbit of Neptune, and not by much. It is well short of reaching into the Kuiper Belt.
A comet's orbit around the Sun is pretty predictable, but its appearance depends on the structure of the ice and rocks below the surface, and we do not know these things. As the ice begins to melt, the structure of the comet and the distribution of frozen gasses can cause the comet to appear a little different each day.
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he found halleys comet he found halleys comet
Halley's Comet is currently a little beyond the orbit of Neptune.
The Orbit of Comet Halley is an elongate ellipse, yes, but it does not orbit earth - it orbits the sun.
Right now, Halley's Comet is a black cinder drifting through space beyond the orbit of Uranus.
Halleys Comet is a most pretty thing i have seen.
Halley's comet appears because it is a comet that orbits the Sun. It as a highly elliptical (oval) orbit which makes it seem to fly out of the solar system and back.
No. The only way a comet could cause a catastrophe would be if it collided with Earth. The orbit of Halley's Comet keeps it at a safe distance from us.
No. It's a comet.
whats halleys comet nicknames
big
I definitely know its not halleys comet