what are inner planets wikipedia?
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The four smaller inner planets, Mercury, Venus, Earth and Mars, are terrestrial planets, being primarily composed of rock and metal. The four outer planets are giant planets, being substantially more massive than the terrestrials.
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In our Solar System, astronomers often divide the planets into two groups — the inner planets and the outer planets. ... The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars. After an asteroid belt comes the outer planets, Jupiter, Saturn, Uranus and Neptune.
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The four planets closest to the Sun are known as the Inner Planets, or the Terrestrial Planets. These planets are Mercury, Earth, Venus and Mars. ... Separating the Inner Planets from the Outer Planets is the Asteroid Belt, a region of thousands of asteroids in orbit of the Sun between Mars and Jupiter.
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All of the inner planets are solid, dense, rocky planets. The inner planets either do not have moons or have just one (Earth) or two (Mars). None of the inner planets have rings. Compared to the outer planets, the inner planets have shorter orbits around the Sun, but all the inner planets spin more slowly.
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The four planets closest to the Sun—Mercury, Venus, Earth, and Mars—are the inner planets or terrestrial planets (Figure below). They are similar to Earth. All are solid, dense, and rocky.
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Within the Solar System, the terrestrial planets are the inner planets closest to the Sun, i.e. Mercury, Venus, Earth, and Mars. The terms "terrestrial planet" and "telluric planet" are derived from Latin words for Earth (Terra and Tellus), as these planets are, in terms of structure, Earth-like.
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The four inner planets, or terrestrial planets, have solid, rocky surfaces. Earth, the third planet from the Sun, is the only planet with large amounts of liquid water, and the only planet known to support life.
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After Mars, there is an asteroid belt that separates the inner planets from the outer ones. The outer planets are called the jovian planets, meaning huge gas giant. These planets in order are Jupiter, Saturn, Uranus, and Neptune. ... Size is the most obvious difference between the inner and outer planets.
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How do the outer planets differ from the inner planets? Outer planets differ from inner planets in composition, size, distance, and mass. Outer planets are made of gases rather than rock and metal like inner planets. Unlike inner planets, outer planets are larger and spaced farther apart.
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The inner planets are closer to the Sun and are smaller and rockier. The outer planets are further away, larger and made up mostly of gas.
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The four inner planets -- Mercury, Venus, Earth and Mars -- share several features in common. Astronomers call them the “terrestrial planets” because they have solid, rocky surfaces roughly similar to desert and mountainous areas on the earth.
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The innermost planets are rocky and consist of Mercury, Venus, Earth, and Mars. The much larger outer planets are the giant gas planets and consist of Jupiter, Saturn, Uranus and Neptune. Most of the planets have moons, and most of the moons are tiny compaired tot he planet they are in orbit around.
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The terrestrial inner planets are composed largely of refractory minerals, such as the silicates, which form their crusts and mantles, and metals such as iron and nickel which form their cores. Three of the four inner planets (Venus, Earth and Mars) have atmospheres substantial enough to generate weather.
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The inner planets are made of rocky material, which has higher density; these are often known as terrestrial (earth-like) planets. The outer planets are made mostly of low density gases; these are often known as Jovian (Jupiter-like) planets.
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Earth and the other three inner planets of our solar system (Mercury, Venus and Mars) are made of rock, containing common minerals like feldspars and metals like magnesium and aluminum. So is Pluto. The other planets are not solid. Jupiter, for instance, is made up mostly of trapped helium, hydrogen, and water.
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Like the inner planets, the outer planets have similar characteristics to one another. The outer planets are so much larger than the inner planets that they make up 99 percent of the mass of the celestial bodies that orbit the Sun. ... While the inner planets have few or no moons, the outer planets have dozens each.
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1 Answer. Inner planets have solid rocky cores, outer planets are mostly gas. Similar in that they are all part of our solar system.