Reply to post: Re: What about the vacuum part?

Three certainties in life: Death, taxes and the speed of light – wait no, maybe not that last one

John Brown (no body) Silver badge

Re: What about the vacuum part?

"But there is no perfect vacuum"

That's what I was wondering too. Is the speed of light in intergalactic, or intergalactic-family space faster than in interstellar or interplanetary space where the local density of space is likely to be different?

It ain't my field so I have no idea if I'm talking out of my arse.

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