So how far away is 30 seconds? The current definition of a metre [The length of the path travelled by light in vacuum during a time interval of 1/299,792,458 of a second (where one second is the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom)] has several degrees of complexity that you won't find in the original definition from 1799 [One ten-millionth of a quadrant of the Earth]. The answer therefore is 5,588,470 miles (assuming you are a photon)The question I really wanted to consider is how long is thirty seconds? My current favourite answers are 0.000347 decimal days or 011/0000 binary seconds.
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