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Telescope attachment allows ground-based observations of new worlds to rival those from space

Telescopeatt
A new, low-cost attachment to telescopes allows previously unachievable precision in ground-based observations of exoplanets—planets beyond our solar system. With the new attachment, ground-based telescopes can produce measurements of light intensity that rival the highest quality photometric observations from space. Penn State astronomers, in close collaboration with the nanofabrication labs at RPC Photonics in Rochester, New York, created custom "beam-shaping" diffusers—carefully structured... phys.org/news/2017-10-teles...



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