ModsJava
Astronautics Mod (1.21.1) – Build Working Rockets and Travel to the Moon
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
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Astronautics Mod extends Create: Aeronautics with outer space and distant planets. This mod adds spacecraft building blocks, oxygen machines, and space suits for interplanetary travel. Players can craft rocket fuels, mine new metals, and land on the Moon and Mars.
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Features:
- Spacecraft Parts: Build working rockets using the Thruster, Reaction Based Thruster, and Center of Mass Core.
- Oxygen Survival System: Manage breathable air in space with the Oxygen Compressor, Oxygen Distributor, and refillable Oxygen Tanks.
- Full Space Suit: Craft a Space Suit Helmet, Chestplate, Leggings, and Boots that track remaining suit oxygen levels.
- Moon and Mars Exploration: Visit celestial bodies filled with Lunar Soil, Moon Stone, Moon Iron Ore, Mars Sand, and Mars Stone.
- Adds decorative building variants for planetary rocks, including stairs, slabs, and walls for Moon Stone, Moon Cobblestone, Mars Stone, and Mars Cobblestone.
- Introduces new metals and resources like Nickel, Titanium, and Uranium in dust, ingot, nugget, and plate forms.
- Includes liquid fuel buckets for Bioethanol, Methanol, Gasoline, and Kerosene to power your engines.
- Provides 43 crafting recipes and 16 advancements to guide your space progression.
Screenshots:




Astronautics Mod Download Links
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Downloads as 547497.mcaddon
- Download size: 35.6 MB
- Download link checked 14 Nov 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.