Why does the Earth look flat from the ground if it's a sphere in space?

Our planet is shaped like a big blue marble. But when we’re standing on the Earth’s surface, the ground looks pretty flat. So why doesn’t the Earth look round to us? We asked astrophysicist Ian Hall to help us find the answer.

Got a question that you can’t wrap your head a-

Our planet is shaped like a big blue marble. But when we’re standing on the Earth’s surface, the ground looks pretty flat. So why doesn’t the Earth look round to us? We asked astrophysicist Ian Hall to help us find the answer.
Got a question that you can’t wrap your head a-round? Send it to us at BrainsOn.org/contact, and we’ll answer it in no time flat! 

Why does the Earth look flat from the ground, but like a sphere from space?

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Why does the Earth look flat from the ground, if it's a sphere?

Smash Boom Best is a debate show for kids and families from the makers of the award-winning podcast, Brains On! Every episode takes two cool things, smashes them together and lets you decide which is best.


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A history show for the whole family! Every episode explores the origin of just one thing — like sandwiches, video games, clocks and more — while teaching listeners to think critically about history.


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Our mission is to encourage kids’ and curious adults’ natural curiosity and wonder using science and history…but there’s no age limit on curiosity, and episodes of Brains On can be enjoyed by anyone.


Why does the Earth look flat from the ground, if it's a sphere?

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