![Why did so many people believe the world is flat when it is obviously a sphere? | Science Questions with Surprising Answers Why did so many people believe the world is flat when it is obviously a sphere? | Science Questions with Surprising Answers](https://wtamu.edu/~cbaird/sq/images/earth_bulge.png)
Why did so many people believe the world is flat when it is obviously a sphere? | Science Questions with Surprising Answers
![ESA Earth Observation on Twitter: "Just as the surface of Earth is not flat, the surface of the ocean is also not flat. Sea-level rise at specific locations may be more or ESA Earth Observation on Twitter: "Just as the surface of Earth is not flat, the surface of the ocean is also not flat. Sea-level rise at specific locations may be more or](https://pbs.twimg.com/media/Epg1FRuXcAEJUYa.jpg)
ESA Earth Observation on Twitter: "Just as the surface of Earth is not flat, the surface of the ocean is also not flat. Sea-level rise at specific locations may be more or
![7 reasons why we know Earth is NOT flat - FlipScience - Top Philippine science news and features for the inquisitive Filipino. 7 reasons why we know Earth is NOT flat - FlipScience - Top Philippine science news and features for the inquisitive Filipino.](https://www.flipscience.ph/wp-content/uploads/2018/02/FS-Cover-1024x536.jpg)