Argentine scientists led by Ximena Abrevayafrom the University of Buenos Aires has managed to create a model of under-ice ocean, located under the surface of Europe, a satellite of Jupiter. The results showed, that under-ice ocean of Europe may be live a many terrestrial microorganisms. Therefore, in future we can even schedule the expeditions, which populate Europa's ocean microorganisms. As the first candidates for resettlement offers archaea Natrialba magadii and Haloferax volcanii and bacteria and "a superhero» Deinococcus radiodurans, which can live in very salty water and can withstand high doses of radiation.