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The Sun
Discusses the sun's orbit, physical characteristics, and what has been discovered through exploration.
Saturn
First observed by Galileo, Saturn lies in the distant reaches of the solar system; it is the sixth planet, a gaseous giant between Jupiter and Uranus. It takes its name from the mythological father of Jupiter and Roman god of agriculture. Because of the famous circle of rings Saturn is one of the most well-regarded occupants of the galaxy. Despite their continuous appearance from Earth, the rings are actually space dust and debris trapped by Saturn's gravitational pull, a fact garnered from several satellite passes and telescope observations. The origin of Saturn's rings, however, remains a mystery. Apart from the rings, we also are aware of its moon system, with the most intriguing planetoi...
The Sun
Presents information about the Sun, including its place in the solar system, its structure, its size, how it produces heat and light, and how its gravity affects the solar system.
Pluto
Discusses the orbit, atmosphere, surface features, and exploration of the planet Pluto.
Meteors and Meteorites
Describes what meteors and micrometeors are, and describes the different types of meteorites, including lunar and martian meteorites, and how meteorites form craters.
Neptune
Facts about Neptune and its place in the solar system.
