How Does a Tiny Dot's Mass Distort Space Time?

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A dot the size of a period would need to have a mass comparable to the moon to significantly distort space-time. As the mass approaches this threshold, Newtonian gravity becomes an inadequate model for understanding gravitational effects. The discussion highlights the relationship between mass, size, and the Schwarzschild radius, which defines the boundary around a black hole. Therefore, even a tiny object can have profound effects on the fabric of space-time if its mass is sufficiently large. Understanding these concepts is crucial for grasping the complexities of gravitational physics.
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Let say we had a piece of Matter the size of a Dot like the size of a Period at the end of a Sentence ^3, How heavy would this Dot have to be before it begins to seriously distort Space Time?
 
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Newtonian gravity would become a poor approximation as the dot approached a mass for which its radius was near the Schwarzschild radius. For an ordinary period at the end of a sentence (few tenths of a millimeter), this would be about the mass of the moon.
 

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