Planets within the habitable zone, the shell-shaped region of space surrounding a star within which a planet could maintain liquid water on its surface, are much more likely than more distant planets to harbor atmospheres which contain water and, possibly, multicellular life.
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A
Planets within the habitable zone, the shell-shaped region of space surrounding a star within which a planet could maintain liquid water on its surface, are much more likely than more distant planets to harbor atmospheres which contain water and, possibly, multicellular life.
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B
Planets within the habitable zone, the shell-shaped region of space surrounding a star within which a planet could maintain liquid water on its surface, which are much more likely than more distant planets to harbor atmospheres which contain water and, possibly, multicellular life.
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C
Atmospheres that contain water and, possibly, multicellular life, on planets within the habitable zone, the shell-shaped region of space surrounding a star within which a planet could maintain liquid water on its surface, is the much more likely to be harbored rather than on more distant planets.
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D
Atmospheres on planets within the habitable zone, the shell-shaped region of space surrounding a star within which a planet could maintain liquid water on its surface, rather than on more distant stars, are much more likely to harbor multicellular life when they contain water.
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E
Rather than more distant planets, the atmospheres of planets within the habitable zone, the shell-shaped region of space surrounding a star within which a planet could maintain liquid water on its surface, are much more likely to contain water and, possibly, multicellular life.
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