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Welcome back to the forum. It's my understanding that although vast distances reduce the effect of gravity, I know of no calculations that "reduce it to zero" no matter how far separated the masses are. Maybe it's more a matter of practical application? Can you provide a reference? I did a quick search but found no supporting evidence for that claim. Also, I'm not sure it's safe to assume that dark energy = antigravity. Perhaps to clarify we should define what we mean by antigravity.

[QUOTE="Randall, post: 275650, member: 2682"] Welcome back to the forum. It's my understanding that although vast distances reduce the effect of gravity, I know of no calculations that "reduce it to zero" no matter how far separated the masses are. Maybe it's more a matter of practical application? Can you provide a reference? I did a quick search but found no supporting evidence for that claim. Also, I'm not sure it's safe to assume that dark energy = antigravity. Perhaps to clarify we should define what we mean by antigravity. [/QUOTE]

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