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Researchers have discovered several objects that orbit the sun that are located considerably further than Pluto.

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Our Sun takes 240 million years to complete one orbit around the galactic center

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Pluto is smaller than the USA , The greatest distance across the contiguous United States is nearly 2,900 miles (from Northern California to Maine). By the best current estimates, Pluto is just over 1400 miles across, less than half the width of the U.S. Certainly in size it is much smaller than any major planet,

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The Sun contains 99.86 percent of the Solar System's known mass, with Jupiter and Saturn making up making up most of the rest. The small inner planets which include Mercury, Venus, Earth and Mars make up a very small percentage of the Solar System’s mass

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The Solar System formed around 4.6 billion years ago

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the difference between meteors and meteorites 

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the difference between meteors and meteorites 

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Once a meteoroid enters the Earth's atmosphere and vaporizes, it becomes a meteor if it hits the ground that's called a meteorite

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what happens to a comet as it approaches the sun ?

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what happens to a comet as it approaches the sun ?

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As a comet approaches the Sun, solar heating starts to vaporize the ices, releasing gas that forms a diffuse luminous sphere, called the coma around the comet nucleus.

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Ernst Wilhelm Liebrecht Tempel (Marseille, France) discovered this faint, diffuse comet in Libra on 1867 in April . thanks to the closest approach to Earth (0.568 AU) and the perihelion (1.562 AU) occurring on May 15 and 24, respectively, there were numerous observations which ultimately covered nearly 5 full months. The comet was last detected on August 27.8 by J. F. J. Schmidt (Athens), at which time it was too faint for position measurements. The comet was then 1.30 AU from Earth and 1.81 AU from the sun.

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A comet is an icy body that releases gas or dust. , though recent research has led some scientists to call them snowy dirtballs. Comets contain dust, ice, carbon dioxide, ammonia, methane and more.

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there have been 17 classified asteroids,there are 15 asteroids scientists are monitoring due to their orbits crossing Earth's orbit.

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The Asteroid Belt is a region between the inner planets and outer planets where thousands of asteroids are found orbiting around the Sun.

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Jupiter is the fifth planet from our sun and the largest planet in the solar system.  The atmosphere is mostly hydrogen and helium. Jupiter's rings were a surprise, as they are made of small, dark particles and are difficult to see .Jupiter is surrounded by more than 50 moons

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The second largest planet in our solar system, saturn has thousands of  rings and is Surrounded  by 53 confirmed and nine provisional moons.Overall the planet is tan and light brown in color, due to a mixture of yellow ammonia crystals in the upper atmosphere.

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seventh planet from the sun,The ice giant is surrounded by 13 faint rings and 27 small moons Uranus' atmosphere is mostly hydrogen and helium, with a small amount of methane and traces of water and ammonia.

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Nearly 4.5 billion kilometers (2.8 billion miles) from the Sun, Neptune orbits the Sun once every 165 years. It is invisible to the naked eye because of its extreme distance from Earth.Neptune's atmosphere extends to great depths, gradually merging into water and other melted ices over a heavier, approximately Earth-size solid core. Neptune's blue color is the result of methane in the atmosphere.Neptune has several faint rings around it

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Mercury is the closest planet to the sun, it is only slightly larger than Earth's moon, Mercury has no atmosphere due to is distance from the sun,it has no rings and no moons

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Venus is the second planet from the sun,it is the hottest planet in our solar system with surface temperatures hot enough to melt lead. Venus is roughly the same size as Earth, just slightly smaller.venus's atmosphere is made of mainly carbon dioxide and thick clouds of sulfuric acid.Venus has no moons.

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Earth is exactly one astronomical unit away from the sun .Earth is the biggest of the terrestrial planets .earth is the only planet in our solar system known to harbor living things,it has no rings and has an atmosphere. Earth is the only planet that has a single moon. Our moon is the brightest and most familiar object in the night sky.

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It is the fourth planet from the sun. mars has an atmosphere Mars is a rocky body about half the size of Earth.Mars has two small moons, Phobos and Deimos .no rings