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Located at the centre of the solar system and influencing the motion of all the other bodies through its gravitational force is the Sun, which in itself contains more than 99 percent of the mass of the system.The planets, in order of their distance outward from the Sun, are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.Four planets—Jupiter through Neptune—have ring ...
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The Solar System is the gravitationally bound system of the Sun and the objects that orbit it. It was formed about 4.6 billion years ago when a dense region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc.The Sun is a typical star that maintains a balanced equilibrium by the fusion of hydrogen into helium at its core, releasing this energy from its outer photosphere.
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10 Things. Our solar system is made up of a star, eight planets, and countless smaller bodies such as dwarf planets, asteroids, and comets. Our solar system orbits the center of the Milky Way galaxy at about 515,000 mph (828,000 kph). We're in one of the galaxy's four spiral arms.
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1. Many Worlds. Our solar system has eight planets, and five dwarf planets. More than 1.3 million asteroids, and about 3,900 comets are in our solar system. Our solar system has more than 200 moons. Our solar system is in one of the Milky Way galaxy's four spiral arms. Our solar system takes about 230 million years to orbit the galactic center.
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Known as natural satellites, they orbit planets, dwarf planets, asteroids, and other debris. Among the planets, moons are more common in the outer reaches of the solar system. Mercury and Venus ...
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The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris. The inner, rocky planets are Mercury , Venus , Earth, and Mars. These worlds also are known as terrestrial planets because they ...
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Hello, Pluto! In July of 2015, a spacecraft named New Horizons arrived at Pluto after a long journey. It took amazing pictures of this dwarf planet and will continue to study other objects in the Kuiper Belt from 2018 to 2022. Find out more about Pluto. Make a comet on a stick!
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In the outer solar system, turbulent storms dot the atmospheres of the giant planets — Jupiter, Saturn, Uranus, and Neptune — allowing Hubble to become an expert storm tracker. For instance, Hubble has observed the downsizing of Jupiter's most famous feature, the spinning, cyclone-like storm known as the Great Red Spot.
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The solar system is located in one of the spiral arms of the Milky Way galaxy. It was born about 4.5 billion years ago when a cloud of interstellar gas and dust collapsed. Most of the material was pulled toward a central point: nearly all of the solar system's mass—99.8%—is in the Sun. The rest of the material formed a spinning disk ...
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