Refactor how celestial and environmental effects update/are potentially visible/render.
Refactor how celestial and environmental effects update/are potentially visible/render.

emackey/cesium,hodbauer/cesium,hodbauer/cesium,soceur/cesium,CesiumGS/cesium,likangning93/cesium,emackey/cesium,kiselev-dv/cesium,ggetz/cesium,denverpierce/cesium,oterral/cesium,NaderCHASER/cesium,likangning93/cesium,YonatanKra/cesium,wallw-bits/cesium,wallw-bits/cesium,geoscan/cesium,progsung/cesium,ggetz/cesium,NaderCHASER/cesium,josh-bernstein/cesium,jasonbeverage/cesium,esraerik/cesium,NaderCHASER/cesium,likangning93/cesium,ggetz/cesium,AnimatedRNG/cesium,AnimatedRNG/cesium,aelatgt/cesium,likangning93/cesium,soceur/cesium,aelatgt/cesium,AnalyticalGraphicsInc/cesium,wallw-bits/cesium,CesiumGS/cesium,YonatanKra/cesium,denverpierce/cesium,kiselev-dv/cesium,hodbauer/cesium,jasonbeverage/cesium,CesiumGS/cesium,jason-crow/cesium,AnalyticalGraphicsInc/cesium,soceur/cesium,CesiumGS/cesium,kaktus40/cesium,geoscan/cesium,wallw-bits/cesium,ggetz/cesium,oterral/cesium,emackey/cesium,esraerik/cesium,esraerik/cesium,CesiumGS/cesium,AnimatedRNG/cesium,omh1280/cesium,likangning93/cesium,aelatgt/cesium,kaktus40/cesium,oterral/cesium,emackey/cesium,omh1280/cesium,omh1280/cesium,josh-bernstein/cesium,denverpierce/cesium,AnimatedRNG/cesium,kiselev-dv/cesium,jason-crow/cesium,denverpierce/cesium,aelatgt/cesium,esraerik/cesium,YonatanKra/cesium,kiselev-dv/cesium,jason-crow/cesium,progsung/cesium,jason-crow/cesium,YonatanKra/cesium,omh1280/cesium