About
The mirror on NASA's Astrophysics Stratospheric Telescope for High Spectral Resolution Observations at Submillimeter-wavelengths mission, or ASTHROS, is composed of nine panels, coated in nickel and gold. Here, engineers attach panels to the mirror's support structure. The panels must be aligned to within 0.0001 inches (2.5 micrometers), or a fraction of the width of a human hair. Manufacturing multiple panels requires less time and expense than making the mirror as a single piece. NASA contracted Media Lario, an optics company in Bosisio Parini, Italy, to design and produce ASTHROS' full telescope unit, including the primary mirror, a secondary mirror, and supporting structure (called the c — NASA JPL · 2022. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
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