NASA’s Stratospheric Balloon Mission Gets Telescope With Giant Mirror

Telescopes designed to operate in space have to be constructed differently than those meant to operate on the ground. But what about telescopes that operate in between? An upcoming NASA mission will use a balloon larger than a football field to send a telescope 130,000 feet (about 40,000 meters) above Antarctica. From that height, the telescope will study a phenomenon that chokes off star…
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