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The Nine Planets is an encyclopedic overview with facts and information about mythology and current scientific knowledge of the planets, moons, and other objects in our solar system and beyond.
- Planets
The Planets of the Solar System Detailed information and...
- Solar System
The gas planets are composed primarily of hydrogen and...
- Planets
Six planets, seven dwarf planets, and other bodies have orbiting natural satellites, which are commonly called 'moons'. The Solar System is constantly flooded by the Sun's charged particles, the solar wind, forming the heliosphere. Around 75–90 astronomical units from the Sun, the solar wind is halted, resulting in the heliopause.
Learn about the eight planets and five dwarf planets in our solar system, their features, moons, and missions. Find out what is a planet, and why some worlds are not considered planets.
The eight planets of the Solar System with size to scale (up to down, left to right): Saturn, Jupiter, Uranus, Neptune (outer planets), Earth, Venus, Mars, and Mercury (inner planets) A planet is a large, rounded astronomical body that is generally required to be in orbit around a star , stellar remnant , or brown dwarf , and is not one itself. [1]
How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system’s genesis, plus its planets, moons, and...
- 4 min
- 32.5M
- National Geographic
Jun 12, 2024 · Learn about the Sun and the eight planets that orbit around it, as well as their satellites, asteroids, comets, and other features. Explore the history, formation, and evolution of the solar system with Britannica's articles, videos, and diagrams.
Mar 29, 2023 · Explore the eight (or nine) planets of the solar system in order from nearest to the sun and discover the many wonders of our solar system along the way. Skip to main content Open menu Close menu
