How did science make it possible for us to learn these facts about Earth? For most of human history, scholars assumed Earth was the center of the Universe. Today, we know that Earth is just one planet orbiting the Sun, and the Sun is just one star in a vast universe.
Science made the knowledge that you describe possible in two ways.
First and foremost, science is a way of thinking. It is based on observation rather than on theories. It is based on looking at the evidence and trying to create theories that fit that evidence. This is in contrast to older ways in which theories were held to be true and evidence to the contrary was ignored or...
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