NASA Engineer Advances New Daytime Star Tracker
Greenbelt MD (SPX) Jan 29, 2015 - Scientists who use high-altitude scientific balloons have high hopes for their instruments in the future. Although the floating behemoths that carry their instruments far into the stratosphere can stay aloft for days on end, data collection typically happens during the night when starlight can be detected. The instruments that operate during the day are limited in their field of view due to over ... more
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