div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=pima-county-arizona-stratospheric-balloons-are-a-low-cost-way-to-get-abovehtmlpage=1 data-page=1 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220502025f55f8ef40d06b0703162fc1html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=pima-county-arizona-stratospheric-balloons-are-a-low-cost-way-to-get-abovehtmlpage=2 data-page=2 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220502025f55f8ef40d06b0703162fc1html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=pima-county-arizona-stratospheric-balloons-are-a-low-cost-way-to-get-abovehtmlpage=3 data-page=3 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220502025f55f8ef40d06b0703162fc1html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=pima-county-arizona-stratospheric-balloons-are-a-low-cost-way-to-get-abovehtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220502025f55f8ef40d06b0703162fc1html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=pima-county-arizona-stratospheric-balloons-are-a-low-cost-way-to-get-abovehtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220502025f55f8ef40d06b0703162fc1html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=pima-county-arizona-stratospheric-balloons-are-a-low-cost-way-to-get-abovehtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220502025f55f8ef40d06b0703162fc1html5thumbnails6jpg 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99% of the atmosphere: nearly as good as space NASA uses large balloons that drift at constant altitudes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220502025f55f8ef40d06b0703162fc1html5thumbnails8jpg width=140 height=200 divdiv