Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

• 3070bpr9915 Tile 1 x 1 with White 'SPEED OF LIGHT' on Dark Purple Background Print Sub-part of this part
• 3070bpr9916 Tile 1 x 1 with Pixelated White/Dark Azure Moon on Dark Purple Background Print Sub-part of this part
• 3070bpr9931 Tile 1 x 1 with Pixelated Astronaut on Dark Purple Background Print Sub-part of this part
• 3070bpr9932 Tile 1 x 1 with Pixelated Bright Light Orange/Dark Azure/White Stars on Dark Purple Background Print Sub-part of this part
• 3070b Tile 1 x 1 with Groove this part is a print of it