article_snippet.sent: At first glance, the rest of our solar system seems to be a pretty barren place - pockmarked worlds with dry surfaces are abundant, and only one - Earth - has visible water.
article_snippet.sent: But it is the solid moons and dwarf planets that are of more interest.
article_snippet.sent: A nasa mission next decade will seek to search for water emanating from Europa - and see if A nasa mission next decade oceans are habitable.
article_snippet.sent: Nasa's Cassini mission has also revealed Enceladus as an active world of icy geysers.
article_snippet.sent: Recent research suggests Nasa's Cassini mission may have hydrothermal activity on Nasa's Cassini mission ocean floor, an environment potentially suitable for living organisms.
article_snippet.sent: Nasa’s Dawn spacecraft, which recently arrived in orbit, will hopefully reveal how wet an active world of icy geysers is.
article_snippet.sent: Missions like the upcoming Transiting Exoplanet Survey Satellite (Tess) - scheduled to launch in 2017 - will such nearby, bright stars for Earth-sized worlds, some of which may have water.