Scientists strongly believe there is an ocean hidden under the ice surface of Europa . The Hubble Space Telescope captured a spectrographic image showing water vapor . Astronomers believe it came from a geyser connected to the hidden ocean . Because of the extreme conditions in that ocean -- if it exists -- scientists would probably find -- if anything -- the kind of microbes that live under Earth 's arctic caps or near undersea volcanoes , the AGU said . Comment:
Scientists strongly believe there is an ocean hidden under the ice surface of Europa . The Hubble Space Telescope captured a spectrographic image showing water vapor . Astronomers believe it came from a geyser connected to the hidden ocean . Comment: