this post was submitted on 01 Jan 2024
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chapotraphouse
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Hot air balloons can’t make it anywhere close to even the stratosphere, much less space right?
I think there are some kinds that can at least get to a height that looks like space, though looking it up I see lots of carefully worded claims about "the edge of space" and sometimes the stratosphere.
To reach orbit you need to accelerate to over 16,000 miles per hour and leave the atmosphere. A balloon can't rise above the point of neutral buoyancy, which is necessarily inside the atmosphere (i.e. not in space).