Science Explained
Where Does Space Begin? The Karman Line vs the US 50-Mile Line
There is no sharp edge where the air stops. Two lines are in common use, and which one a flight crosses decides whether its passengers count as having reached space.
Space, Earth and the natural world, explained.
There is no sharp edge where the air stops. Two lines are in common use, and which one a flight crosses decides whether its passengers count as having reached space.
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