Planets (Greek: πλανήτης; English: planetes or "wanderers") is a large object that orbits a star. Before the 1990s, the planet as we know, only 8 bulbs (all are in the solar system), we now know the new planet with over 100 stars, the planet is orbiting a star other than the sun. theory is the most widely accepted. today said that the planets formed from the collapse of the dust and gas, with the sun at its center formation. The planet has no light of its own Visible because the surface reflects light from the sun. Most of the planets in the solar system have moons orbiting. Except Mercury and Venus And can be found in the planet's ring system is large, Jupiter, Saturn, Uranus and Neptune, Saturn has a ring can only be seen clearly with a telescope.
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