div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentpima-county-arizona-stratospheric-balloons-are-a-low-cost-way-to-get-abovehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Pima County ArizonaStratospheric balloons are a low-cost way to get above 99% of the atmosphere: nearly as good as space NASA uses large balloons that drift at constant altitudes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220502025f55f8ef40d06b0703162fc1html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentpima-county-arizona-stratospheric-balloons-are-a-low-cost-way-to-get-abovehtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Pima County ArizonaStratospheric balloons are a low-cost way to get above 99% of the atmosphere: nearly as good as space NASA uses large balloons that drift at constant altitudes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220502025f55f8ef40d06b0703162fc1html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentpima-county-arizona-stratospheric-balloons-are-a-low-cost-way-to-get-abovehtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Pima County ArizonaStratospheric balloons are a low-cost way to get above 99% of the atmosphere: nearly as good as space NASA uses large balloons that drift at constant altitudes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...