They are the work of the Ukrainian pastry chef Musse Confectionary and can be described as heavenly without fear of being wrong.
It looks like pieces of the deep Universe and is offered in an assortment of five units in the "Cosmos" pack.
Although the five cupcakes are very similar, the author says that each has a different flavor: vanilla, pistachio, blackberries, caramel and chocolate. We will have to prove them to confirm it! :D