ecosphere

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ecosphere

(ē′kō-sfîr′, ĕk′ō-)
n.
The regions of the universe, especially on the earth, that are capable of supporting life; the biosphere.

ecosphere

(ĕk′ō-sfēr″) [Gr. oikos, house, + L. sphera, ball]
The portions of the earth habitable by microorganisms, plants, and animals.

ecosphere

those parts of the earth and its atmosphere where life can exist.
References in periodicals archive ?
Extraterrestrial" reflects the contributions of leading scientists from NASA (the National Aeronautics and Space Administration), prestigious universities and organizations like the Ecospheres Project and the SETI Institute.
Martin Heath, a geoscientist with the Ecospheres Project, says, "I think that one day we may indeed find something rather like the Blue Moon .