How data from the Kepler Space Telescope is changing the Drake equation
medium.com
medium.com
http://solarsystem.nasa.gov/europa/multimediaimagedetails.cf...
http://www.astronomywise.com/articles/could-life-survive-on-...
If there is life on Europa, life is probably everywhere in the universe. If not, it means life will be hard to find. It also means that we are very rare and unique and need to work hard to preserve the earth and what we have.