Dark Sky Archives - All Things Lighting® Association https://www.allthingslighting.org/category/dark-sky/ Illuminating the Complicated! Sat, 01 Aug 2026 00:37:02 +0000 en-US hourly 1 https://www.allthingslighting.org/wp-content/uploads/2023/08/cropped-ATLA-favicon2-32x32.jpg Dark Sky Archives - All Things Lighting® Association https://www.allthingslighting.org/category/dark-sky/ 32 32 Technical Report: The Mathematics of Orbital Solar Reflectors https://www.allthingslighting.org/technical-report-the-mathematics-of-orbital-solar-reflectors/ https://www.allthingslighting.org/technical-report-the-mathematics-of-orbital-solar-reflectors/#respond Fri, 31 Jul 2026 21:43:15 +0000 https://www.allthingslighting.org/?p=5414 Technical Report: The Mathematics of Orbital Solar Reflectors I. Executive Summary At the time of their original submission to the FCC for launch approval, Reflect Orbital claimed they would be able to deliver illuminances up to 5x that of a full moon (1.6 lux). A previous technical report found Reflect Orbital’s Earandil-1 satellite posed a […]

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]]> https://www.allthingslighting.org/technical-report-the-mathematics-of-orbital-solar-reflectors/feed/ 0 Evaluating Near-Horizontal Light Emission from Outdoor Lighting https://www.allthingslighting.org/evaluating-near-horizontal-light-emission-from-outdoor-lighting/ https://www.allthingslighting.org/evaluating-near-horizontal-light-emission-from-outdoor-lighting/#respond Thu, 04 Jun 2026 21:18:23 +0000 https://www.allthingslighting.org/?p=5344 Evaluating Near-Horizontal Light Emission from Outdoor Lighting DarkSky International – Tucson, AZ March 16, 2026 Executive Summary Upward-emitted outdoor light has long been identified as a source of atmospheric light pollution, a.k.a. sky glow. This form of light pollution is an obvious contributor to the brightening of the nighttime sky and can be observed as […]

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