<span>So far, astronomers have found more than 500 solar systemsand are discovering new ones every year. Given how many they have found in our own neighborhood of the Milky Way galaxy, scientists estimate that there may be tens of billions of solar systems in our galaxy, perhaps even as many as 100 billion.</span>
Gravels are the largest particles formed from the breakdown of rocks.
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The Maya civilization was located in South and Central America mostly. It occupied <span>a wide territory that included southeastern Mexico and northern Central America. This area included the entire Yucatán Peninsula and all of the territory now incorporated into the modern countries of Guatemala and Belize, as well as the western portions of Honduras and El Salvador.</span>
Yes it is divded into 12 main cultures
