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Macintosh Picture Format  |  1994-03-02  |  48KB  |  461x299  |  8-bit (81 colors)
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OCR: SP HER E volume of space surrounding star with conditions considered favorable for the development -and maintenance of life. Temperatures should be in suitable range os that water may be in liquid form and the planet may have permanent atmosphere The Sun's ecosphere extends from the orbit past the orbit of Mars Planet which exist within star's ecosphere are not quaranteed to harbor life 15 evidenced by Mars and the Moon. Venus and Mercury are too hot for the ecosphere while planets and satellites pasi Mars are too cold The conditions of life as we understand define an ecosphere COSPHERE coid