> * The reason the atmosphere is composed as it is is partly because of > gravity. Light atoms like hydrogen and helium at Earth temperatures go > fast enough to escape, Nitrogen and Oxygen are slower so stay captured. > So for life as we know it you need a planet not only the right distance > from a similar star to the Sun but also one that has the right density > to have the gravity to get the atmospheric composition right. Hell of a > coincidence but given the number of stars not implausible. Just might > have a long look to find anything similar within contact distance. Or > indeed with a civilisation that is at a similar stage in its > development. If it's 100 years behind us they aren't going to be able to > interpret any signals. 100 yeas ahead and they might have destroyed > themselves :-) > > Heck of an explanation! However, up here we also have to add large > amounts > of products based on equine, porcine, and bovine excreta,
Or just some good old bulls**t :-) > with a distinct > amount of methane from various attempts at recycling old open-pit mining > sites. Which is not a bad idea when science gets around to bottling all > of > that stuff, and using it for fuel for vehicles, industry, and power for > the > home. Technology rather than science. Science tells us how things work, technology makes it work :-) Probably hydrogen fuel cell technology is more likely or nuclear fusion. > By the way, what's the '--ine--' word for sheep, lambs, and goats? Moonshine if you distil it in the right way ;-) -- Ian --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
