sciencehabit writes: Astronomers have discovered what may be five planets orbiting Tau Ceti, the closest single star beyond our solar system whose temperature and luminosity nearly match the sun's. If the planets are there, one of them is about the right distance from the star to sport mild temperatures, oceans of liquid water, and even life. Link to Original Source
Never appeal to a man's "better nature." He may not have one.
Invoking his self-interest gives you more leverage.
-- Lazarus Long