Quote:
Originally Posted by ClunkintheUK
I thought it was they always travel in a "straight line" within space time, but spacetime gets curved by massive objects, though I could be splitting hairs due to poor articulation on my part and a few years of rustyness, and frankly Tensor Calculus always eluded me.
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that's what I mean (it may have been poorly articulated on my part).
Massive objects don't bend them, objects with mass (slight difference) bend spacetime and light travels straight from it's point of view but curved from ours as we can't see the bend in space.