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Space Travel
Enceladus - 117 pieces

Moon of Saturn with sub-surface liquid ocean - 117 pieces


Europa - 108 pieces

Moon of Jupiter with sub-surface liquid ocean - 108 pieces


Titan - 96 pieces

Moon of Saturn with thick atmosphere and liquid hydrocarbons - 96 pieces


HD 40307g - 117 pieces

Super-Earth located 42 light-years away; may have liquid water - 117 pieces


Kepler 16b - 96 pieces

Saturn-size planet orbiting binary stars, 196 light-years away - 96 pieces


PSO J318.5-22 - 140 pieces

Free-floating Planetary Mass Object, or rogue planet, 80 light-years away - 140 pieces