what is the difference between a short period and long period comet?
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Answer: Comets are believed to have two sources. Long-period comets (those which take more than 200 years to complete an orbit around the Sun) originate from the Oort Cloud. Short-period comets (those which take less than 200 years to complete an orbit around the Sun) originate from the Kuiper Belt.
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Asteroids and comets have a few things in common. They are both celestial bodies orbiting our Sun, and they both can have unusual orbits, sometimes straying close to Earth or the other planets. They are both “leftovers” — made from materials from the formation of our Solar System 4.5 billion years ago.
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Geologically, all have ice, dust, and rock. Moons are larger than meteroids most of the time, and larger than most comets and asteroids, but some comets and asteroids are larger than moons. Moons have no atmosphere like a comet or tail like feature like a comet or meteor.
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Time is an undefined interval between two events. Period is a definite interval between two defined event. Time is a fundamental unit of measure whereas period is a function of time. That's why we say period of time and not the other way.
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Short-term memory often encompasses events over a period anywhere from 30 seconds to several days. Because short-term memories need to be recalled for a lesser amount of time than long-term memories, the ability of the brain to store short-term items is more limited.
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Long-period comets (those which take more than 200 years to complete an orbit around the Sun) originate from the Oort Cloud. Short-period comets (those which take less than 200 years to complete an orbit around the Sun) originate from the Kuiper Belt. ... The Belt contains many icy bodies which can become comets.
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Every day, countless objects that came from comets and asteroids fall to Earth. What happens when they hit the atmosphere depends on their size and composition. Most of these particles are the size of dust grains. They simply float down to the surface.
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Orbit of a Comet. Comets go around the Sun in a highly elliptical orbit. They can spend hundreds and thousands of years out in the depths of the solar system before they return to Sun at their perihelion.
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Like meteorites, meteors are objects that enter Earth's atmosphere from space. But meteors—which are typically pieces of comet dust no larger than a grain of rice—burn up before reaching the ground. ... The term “meteorite” refers only to those bodies that survive the trip through the atmosphere and reach Earth's surface.
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Asteroids are smaller than a planet, but they are larger than the pebble-size objects we call meteoroids. ... An asteroid is a small rocky object that orbits the Sun. A meteor is what happens when a small piece of an asteroid or comet, called a meteoroid, burns up upon entering Earth's atmosphere.
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The solid nucleus or core of a comet consists mostly of ice and dust coated with dark organic material, according to NASA, with the ice composed mainly of frozen water but perhaps other frozen substances as well, such as ammonia, carbon dioxide, carbon monoxide and methane.
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The period of a satellite is the time it takes it to make one full orbit around an object. The period of the Earth as it travels around the sun is one year. If you know the satellite's speed and the radius at which it orbits, you can figure out its period.
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A solar year — the time it takes Earth to orbit the sun — lasts around 365 days, while a lunar year, or 12 full cycles of the Moon, is roughly 354 days. ... In these calendars, a month is still defined by the moon, but an extra month is added periodically to stay close to the solar year.
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Comet: A body of ice, rock and dust that can be several miles in diameter and orbits the sun. Debris from comets is the source of many meteoroids. ... Meteor: A meteoroid that enters the earth's atmosphere and vaporizes. Also called a “shooting star.”
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What is the difference between a comet and a shooting star ? A shooting star or a meteor is seen when a large enough piece of rock enters the earth's atmosphere from outer space leaving a bright track for a few seconds in the sky. A comet on the other hand is seen as a fuzzy object for many nights.
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As nouns the difference between moon and asteroid is that moon is the largest satellite of earth while asteroid is (astronomy) a naturally occurring solid object, which is smaller than a planet and is not a comet, that orbits a star.
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The Short Answer: An asteroid is a small rocky object that orbits the Sun. ... A meteor is what happens when a meteoroid – a small piece of an asteroid or comet – burns up upon entering Earth's atmosphere, creating a streak of light in the sky. An asteroid is a small rocky object that orbits the Sun.