Evolution was known prior to Darwin, but he showed a mechanism through which it could happen (natural selection). Atoms were proposed by Democritus and proven much later. The heliocentric model was proposed by Copernicus, and proven by several other scientists, Galileo included. It's easy to credit an individual with a certain discovery, like how heliocentrism is often credited to Galileo, though such discoveries are rarely the observations of one person. Knowledge of the Earth's curvature goes back even farther than Columbus. In fact, as an aside, Columbus did not even fully circumnavigate the Earth, he was simply the first modern European to land in the Americas.
I know not everyone was taught this, but many were, myself included, and he is still credited by some for this discovery. I feel that I need to start off by saying this: Christopher Columbus did NOT discover the Earth was round. In fact, without this knowledge, we would have never made it to space. But this was a fact that was known long before we had any cameras in space. The likely answer is that we have pictures of the Earth from outer space showing its curvature did the trick. But how do you know the shape of the Earth is curved? What piece of knowledge convinced you of this fact? Knowledge that we take for granted in the twenty-first century, may have been mind boggling in centuries past.or was it?įor example, we take the fact that the Earth is a "sphere" for granted (or almost a perfect spherical, it bulges at the equator). However, commonly held scientific facts are not always as self evident as they appear to be. There are several things that people often bring up when discussing obvious facts, such as the sum of two and two equaling four, the Earth traversing around the Sun once a year ( not everyone understands this, actually), or perhaps the shape of the Earth. Since this is currently a popular topic, let's take a moment to really break the science down (just bookmark this in the event that you encounter a "Flat Earther" during your online wanderings.). You’ve never been south of Earth’s Equator, or if so, you've never looked up.
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