Imagine another universe completely empty except for a large solid sphere at rest. Suddenly, an identical sphere appears 1 trillion kilometers away. Depending on the mass, one sphere would attract the other into its gravitational field.
Newton understood that the gravitational force is always an attractive force, which is independent of the interaction between masses of bodies. “The greater the mass of the bodies, the greater the interaction, the greater the gravitational attraction. However, this interaction decreases the further away one body is from the other.
With this information, we can conclude that The first to identify the phenomenon of gravity was Isaac Newton, who published a work on gravitation in 1687. Later, in 1915, Albert Einstein addressed the topic of gravity in the Theory of Relativity. For Einstein, space and time are like two intertwined threads that form the space-time "fabric".
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