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What do all the planets revolve around?

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Why, then, does it travel in an elliptical orbit around the Sun, rather than just getting pulled in all the way? This happens because the Earth has a velocity in the direction perpendicular to the force of the Sun's pull. If the Sun weren't there, the Earth would travel in a straight line. read more

The planets all revolve around the sun in the same direction and in virtually the same plane. In addition, they all rotate in the same general direction, with the exceptions of Venus and Uranus. These differences are believed to stem from collisions that occurred late in the planets' formation. read more

Not the sun! (Almost) Yep all the planets and the sun revolve around a center point or a “center of mass” in the system. In most solar systems it is usually inside of the host star, but in our case we have a Jupiter. read more

Yes, they DO have to orbit a star. ‘According to current definitions, all planets must revolve around stars; thus, any potential"rogue planets" are excluded.’ Quote from Wikipedia: Planet. The International Astronomical Union is the authority on naming astronomical objects. And according to their definition, a planet MUST be orbiting the Sun. read more

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Why and how do planets rotate?
www.scientificamerican.com

Why Planets Orbit the Sun
www.universetoday.com