1.18 scientific sky simulator+celestial_grid.zip is a release file of the Minecraft resource pack Scientific Sky Simulator With Grid, made for Minecraft 1.18.1, 1.18, 1.18-Snapshot. It was published on February 1, 2022 and is 142.8 MB in size. For the full description, screenshots and every other version, visit the Scientific Sky Simulator With Grid resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.