20 Reasons We Know the Earth Is Spherical
<p>In their attempts to cover all the topics in the given curriculum, teachers often focus more on outlining results and theorems; as opposed to taking us on a journey to discover how the science was derived through pristine ideas, experiments and often-elegant mathematics. One problem this leads to is that we end up knowing several facts and formulas without remembering how they were discovered or why they hold true.</p>
<p>Knowledge that has existed for several years is especially susceptible to being taken for granted. One such example is the knowledge that the Earth is spherical as opposed to flat. In this article, the word ‘spherical’ is used lightly; the exact shape of the Earth is an <a href="https://en.wikipedia.org/wiki/Figure_of_the_Earth#Ellipsoid_of_revolution" rel="noopener ugc nofollow" target="_blank">oblate spheroid</a>, a type of ellipsoid.</p>
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