NASA's Super Pressure Balloon glides past flight duration record [feedly]

For decades NASA has been sending big balloons to high-altitudes as a low-cost way of gathering atmospheric data, but in their current form they do have their limitations. One of which is sustaining long duration flights at certain latitudes. NASA is trying to overcome this with its Super Pressure Balloon (SPB) designed to eventually remain airborne for more than 100 days at a time. The floating observatory is edging closer to this goal, coming down to land on Saturday after 46 days in the air to set a new mid-latitude flight duration record for a balloon of its type.

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