【實用娛樂app】DrakeEquation|最夯免費app-綠色工廠好玩App

- Drake equation was first stated in year 1960 by Frank Drake who was the first to search for radio signals from extraterrestrial civilizations.- The equation calculates the number of civilizations in our galaxy with which communication might be possible.- Put in your own data in the equation and play around with these values and see the chance for a signal from a civilization in our galaxy.