Word: moone
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Encke division The tiny moon Pan sweeps this space clear...
...EARTH'S MOON...
...moon Titan...
...Mercury and Pluto, Titan would be a perfectly respectable planet if it were orbiting the sun instead of Saturn. Its dense atmosphere is made of organic materials like methane and ethane, strikingly similar to our own atmosphere before life emerged. Since Titan's surface temperature approaches -300ºF, the moon almost certainly does not sustain life, but studying it can give scientists a peek at a sort of cryopreserved version of Earth long...
Diameters of moons* *Moon photos not to scale...