« on: 12/02/2021 10:29:24 »
Should the question be 'why does a massive body bend spacetime'?
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It's a polite way of saying Philip Ball doesn't understand it.Phillip Ball did understand it and proceeded to offer his own explanation which I thought joined the category of 'not at all easy to follow'.
If everything is "relative", why does light have a fixed speed of 300,000 kms per second. Why that particular value, and not say, 500,000 kms per second? Or any other value? Such as 0, or infinite?Both charles1948 and I in the past have asked this and a complete answer has not been given.