0.1 for 1.20.1 is a release file of the Minecraft mod Ad Astra: Ashes of Luyten for Forge, made for Minecraft 1.20.1. It was published on June 1, 2026 and is 0.8 MB in size. For the full description, screenshots and every other version, visit the Ad Astra: Ashes of Luyten mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.