The solar system includes all celestial bodies that are pulled in by the Sun's gravitational force, including the eight planets, dwarf planets, comets, asteroids, meteors, meteorites, moons, the Kuiper belt and the Oort ... More »

The solar system includes the sun and anything that moves in an orbit around the sun, according to the National Aeronautics and Space Administration. This includes planets, moons, asteroids, meteoroids, comets and other ... More » Science Astronomy

The formation of the solar system began with the creation of the sun after an exploding supernova caused spherical accumulation of dust particles and gas in a huge swirling cloud called nebula. Planets and other componen... More »

The solar system is made up of the sun and all the planets, dwarf planets, moons, asteroids, meteoroids, comets, ice, rocks, artificial satellites and space-faring vessels. Living beings are also in the solar system, alt... More »

Natural objects found outside of the Earth's atmosphere, such as planets, stars, moons, comets, meteors and asteroids, are some of the heavenly bodies in space. It is believed that there are other forms of heavenly bodie... More »

According to NASA, astronomers have discovered at least 146 moons orbiting planets in Earth's solar system. As of 2014, 27 more moons await official confirmation of their discovery. This total does not include the six mo... More »

The geocentric, or Ptolemaic, model of the solar system is the astronomical model advanced by ancient people to describe the motions of the planets, Sun and moon. This model held that the Earth was the center of the sola... More »