Starblock

You spawn on a small planetoid with nothing but a sapling, some bonemeal, and a map. To get other resources including iron for a bucket and lava for a cobblestone generator, you must venture out to other planets.

Different planets will have different resources available. Larger planets are more likely to have larger moons, but also dangerous radiation belts if you get too recklessly close.

The Nether can be used as a mode of fast travel between the stars, if you know where you're going.

-This map is made using SIsilicon's Bedrock WorldEdit addon https://www.curseforge.com/minecraft-bedrock/scripts/worldedit-be-addon