![This illustration shows a high-altitude balloon ascending into the upper atmosphere](https://www.nasa.gov/wp-content/uploads/2023/03/high-altitude-balloon-1041.jpg)
Carrying a Telescope Aloft
Carried by a balloon the size of a football stadium, ASTHROS will use a telescope to observe wavelengths of light that aren't visible from the ground.
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https://www.nasa.gov/image-detail/carrying-telescope-aloft/
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