Topics: Astronomy : Solar System

The Solar System currently consists of the Sun, nine planets, and the many asteroids and comets that also orbit the Sun.

Asteroid Belt Asteroid Belt View: News Rack - Sub-Categories - DMoz
The area of the solar system between the orbits of Mars and Jupiter containing most of the asteroids and at least one dwarf planet.
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Conferences Conferences View: News Rack - Sub-Categories - DMoz
Conferences, conventions, meetings, and workshops on solar system science.
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Dwarf Planets Dwarf Planets View: News Rack - Sub-Categories - DMoz
Dwarf planets are bodies orbiting the sun which are large enough for gravity to have forced them into roughly spherical shape but not large enough to be classified as planets.
Ceres, Eris, Pluto and Charon, More »

Kuiper Belt Kuiper Belt View: News Rack - Sub-Categories - DMoz
The Kuiper Belt is a disk-shaped region past the orbit of Neptune roughly 30 to 100 AU from the Sun containing many small icy bodies.
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Oort Cloud Oort Cloud View: News Rack - Sub-Categories - DMoz
The Oort cloud is a spherical cloud surrounding the planetary system, and is considered the edge of the Sun's orb of physical, gravitational, or dynamical influence.
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Planets Planets View: News Rack - Sub-Categories - DMoz
Planets, as the term is used for this category, are the eight solar system bodies which meet the International Astronomical Union definition of the word as described in http://www.iau.org/fileadmin/content/pdfs/Resolution_GA26-5-6.pdf
Earth, Jupiter, Mars, Mercury, Neptune, More »

Small Bodies Small Bodies View: News Rack - Sub-Categories - DMoz
Asteroids, comets, and meteors are sometimes called "small bodies" of the Solar System. They are chunks of ice, rock, or metal that are small, at least compared to planets.
Asteroids, Comets, Meteors, Near Earth Objects, Observatories, More »

Sun Sun View: News Rack - Sub-Categories - DMoz
Aurora, Data Archives, Observatories, Sun-Earth Interaction, Sunrise and Sunset Times, More »

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