I’m baffled and don’t even know where to start thinking about this. Saw a commercial plane fly over today which must have been travelling at around 500mph and it looked so slow.
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It’s a phenomenon called parallax. Let’s start with a map, and a straight road. Pick a start and end point on that road. Now, in between that start and end point, pick a spot very close to the road, and a spot much further away. Now draw triangles between your start and end points, and the points you chose away from the roads, so that you have two triangles, one inside the other. Look at the agles between the close point, and the far away point. See how the triangle for the closer spot looks wider than the far away spot? That’s what your eye sees in reality too. The close object is moving along that wide short triangle while the far away spot is moving along the long skinny triangle. Thus, the closer the point is to you, the faster it seems to be moving.
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