/tags/don-ficken Don Ficken en-US Copyright © 2024 ÍâÍøÌìÌà Mon, 30 Sep 2019 22:40:21 GMT /health-science-environment/2019-09-30/amateur-astronomers-measure-light-pollution-to-preserve-dark-skies-in-missouri A group of amateur astronomers has planted devices around Missouri to measure how much artificial lighting brightens the night sky. The Missouri chapter… Mon, 30 Sep 2019 22:40:21 GMT /health-science-environment/2019-09-30/amateur-astronomers-measure-light-pollution-to-preserve-dark-skies-in-missouri Eli Chen