Gravity in the surrounding areas, including the Hudson Bay area and Quebec, is lower than in other areas. For more than four decades, scientists have tried to identify the causes of much of Canada's “missing” gravity, especially the Hudson Bay area. In other words, the gravity in the Hudson Bay region and surrounding areas is lower than in other parts of the world, a phenomenon first discovered in the 1960s when the Earth's gravitational field is charted. Two theories have been proposed to explain this theory. But before we review them, it's important to first consider what creates gravity. At the base level, gravity is proportional to mass. So, if the mass of a certain area somehow becomes smaller, then gravity becomes smaller. Gravity can vary in different parts of the earth. We usually think of it as a ball, but the earth actually expands at the equator and becomes flat on the pole due to rotation. The mass of the earth does not spread proportionally, it can ch...
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