| You are here: Almanahj Website ⇒ American curriculum ⇒ 8th Grade ⇒ Geology ⇒ Term 1 | ||
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Worksheet about The Solar System | ||
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| Subject: Geology | ||
| 8th Grade | ||
| Term 1 | ||
| Year: 2023/2024 | ||
| Size: 287.3KB | ||
| Number of clicks: 93 | ||
| Publish date:December 03, 2023 | ||
| Added by: Eman | ||
| Last download date: 2024-09-11 02:42:09 | By: theodor kpatric4 | |
| File info: The Solar System is the planetary system that consists of the Sun and all the celestial objects that are bound to it by gravity, including planets, moons, asteroids, comets, and other smaller bodies. It is located in the Milky Way galaxy, specifically in one of its spiral arms called the Orion Arm. Here are some key components of the Solar System: 1. The Sun: It is a G-type main-sequence star, primarily composed of hydrogen and helium. It accounts for more than 99% of the Solar System's mass and provides the energy that sustains life on Earth. 2. Planets: There are eight recognized planets in the Solar System, listed in order of their distance from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. These planets vary in size, composition, and characteristics. 3. Moons: Many of the planets in the Solar System have natural satellites or moons. For example, Earth has one moon, while Jupiter has at least 79 known moons, including its four largest moons called the Galilean moons (Io, Europa, Ganymede, and Callisto). 4. Asteroids: These are rocky objects that orbit the Sun, primarily located in the asteroid belt between Mars and Jupiter. They vary in size, from tiny rocky fragments to larger bodies several hundred kilometers in diameter. 5. Comets: Comets are icy bodies that orbit the Sun in elongated orbits. When they approach the Sun, heat causes the ice to vaporize, creating a glowing coma (a cloud of gas and dust) and often a tail that points away from the Sun. 6. Dwarf Planets: In addition to the eight planets, there are also recognized dwarf planets in the Solar System. The most famous dwarf planet is Pluto, which was reclassified from a planet to a dwarf planet in 2006. Other known dwarf planets include Eris, Haumea, Makemake, and Ceres. The Solar System is a fascinating subject of study, and ongoing research and exploration continue to deepen our understanding of its composition, formation, and evolution. | ||
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