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If by "wold" you mean world, and if by "world" you mean Earth, Earth is a planet.

However, an old word for world is "Cosmos" and Cosmos can mean all of creation. (The confusion is because in the old days, people reckoned that the Earth was pretty much all there was). Well, there are maybe a trillion galaxies in the Cosmos, and each one has maybe 1-100 billion stars, and if our Sun is at all representative, each star could have a few planets, so -- a lot!

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12y ago

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There are 8 planets in the Solar System - Pluto is now a dwarf taking us down from 9.

The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus

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13y ago
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Q: How many planet in the world?
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