The number of inhabitable planets within the Milky Way galaxy could be as high as 10 billion. Of course, the majority of these planets are further away than current technology could transport us. The best candidates for planets that can support life are those within a star's "habitable zone," meaning that water on the planet can maintain a fairly stable liquid form. A planet too far away from a star is too cold, leaving water on it in the form of ice; while planets closer than the habitable zone are too hot, meaning any water evaporates.
Life-supporting planets:
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You will never know the number and where they are. Only the Creator knows His creations. |