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Columbus, and all educated Europeans of his time, already knew that the Earth was round. That required no voyage for proof.

The trade routes to Asia via the east were controlled by the Turks (via land) and the Portuguese (for the sea route, so Columbus proposed sailing west to reach Asia.

His problem was that his estimate of the size of the Earth was incorrect, so when he reached land in the Caribbean, and later on the American continent, he knew how far he had sailed and thought he had reached Asia.

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How did they found out that the earth was round?

christopher Columbus was trying to discover another route for going to the India. So he went in ship to America, but he thought America was India.


What are some of Columbus's accomplishments?

-earth is round -discovered America


What places did Spain discover?

America. The most honor land on earth.


Who said that the earth is a sphere?

Columbus said the earth was sphere when he traveled to America


What two things did Amerigo Vespucci discover that Christopher Columbus's didn't?

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Why do people say Christopher Columbus discover America but the native Americans got there first?

Although, Christopher Columbus is credited as being the first European to explore the Americas, it is a generally accepted fact that he was not the first person on Earth to have set foot there. Indigenous natives were originally from the Americas, in effect "getting them there first".


What did Queen Isabella pay christopher for discovering the world is round?

Nothing. Columbus did not discover that the earth was round. It had been known for centuries.


Did Christopher Columbus go around the earth?

No. He actually never made it to america. Just the Carribean.


What two things did Amerigo Vespucci discover that Christopher Columbus didn't?

The earth was bigger than most people thought ,Columbus did not reach Asia he landed were no one has discovered.


Why did Columbus think that he could reach Asia by going west?

COlumbus sailed west because he wanted to find an alternative trade route to Asia, and to get riches and treasures for both Spain and himself.


Why did columbus want to sail west from europe?

He wanted to discover a new world and prove that if you kept going in a straight line, you wouldnt fall off the earth.


Did Magellan discover that the Earth is spherical mass?

No. Earth was known to be spherical long before Magellan was born. Neither Magellan nor Columbus set out to prove that Earth was round. They set out to find if a westward route to Asia was feasible.