‘Wandering’ planets may have water, life

Chicago (UPI) Feb 21, 2011 Liquid water may be found on planets that have gone adrift from their stars and may have acted as stepping stones to spread cosmic life, U.S. researchers say. Gravitational battles with other planets or passing stars can fling worlds out of their solar systems, but two scientists from the University of Chicago say these wandering worlds could continue to stay warm thanks to the decay of

URL: http://www.spacedaily.com/reports/Wandering_planets_may_have_water_life_999.html