The Drake Equation R* average star formation rate (yr-1) Fp fraction of stars with planets Ne number of planets (per star) that could support life Fl fraction of planets that could support life that develop life Fi fract

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Date: 2010-12-14 17:05:28 SETI Astrobiology Fermi paradox Scientific controversies Drake equation Tagged Image File Format Planetary habitability QuickTime Planet Astronomy Planetary science Space		The Drake Equation R* average star formation rate (yr-1) Fp fraction of stars with planets Ne number of planets (per star) that could support life Fl fraction of planets that could support life that develop life Fi fract Add to Reading List Source URL: www.heliophysics.ucar.edu Download Document from Source Website File Size: 1,78 MB Share Document on Facebook

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