Solar System Facts | Information, Size, History and Definition
Te solar system consists of the Sun; the eight official planets, at least three “dwarf planets”, 130+ satellites and a large number of small bodies
Mercury Facts | Information, History, Location, Size & Definition
Mercury is the closest planet to the Sun but, perhaps surprisingly, it does not have the highest temperatures. Click for even more facts.
Introduction to the planets of our solar system
A “planet” is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and
The Planets | Facts About the Eight Planets & 5 Dwarf Planets
The Planets of the Solar System Detailed information and facts about the eight planets and five dwarf planets in our solar system.
Venus Facts | Surface, Atmosphere, Moons, History & Definition
Venus is the second planet from the Sun and the sixth largest. Together with Mercury, they are the only planets without a satellite. Click for more facts.
How Many Planets are in our Solar System? | Facts & Amount
A star that hosts planets orbiting around it is called a planetary system, or a stellar system, if more than two stars are present. Our planetary system is called the Solar System,
The Planets In Order | From The Sun, Information, History & Definition
The planets in order from the Sun based on their distance are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Click for more.
Earth Facts | Surface, Atmosphere, Satellites, History & Definition
Earth is the third planet from the Sun and the fifth largest planet in the Solar System with the highest density. Click for even more facts and information.
The Nine Planets of The Solar System | Eight Planets Without Pluto
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.
PDF version includes complete article with source references. Suitable for printing and offline reading.
