data:extend({
    {
    type = "item-group",
    name = "space-exploration",
    order = "x",
    inventory_order = "x",
    icon = "__SpaceXGAR__/graphics/rocket-tab.png",
    icon_size = 64,
    },
    {
    type = "item-subgroup",
    name = "space-exploration-a",
    group = "space-exploration",
    order = "a",
    },
    {
    type = "item-subgroup",
    name = "space-exploration-b",
    group = "space-exploration",
    order = "b",
    },
    {
    type = "item-subgroup",
    name = "space-exploration-c",
    group = "space-exploration",
    order = "c",
    },
    {
    type = "item-subgroup",
    name = "space-exploration-d",
    group = "space-exploration",
    order = "d",
    },
    {
    type = "item-subgroup",
    name = "space-exploration-e",
    group = "space-exploration",
    order = "e",
    },
    {
    type = "item-subgroup",
    name = "space-exploration-x",
    group = "space-exploration",
    order = "x",
    },
    {
    type = "item-subgroup",
    name = "space-exploration-y",
    group = "space-exploration",
    order = "y",
    },
})