One of the reasons life survives on Earth is that we have a big brother protecting us from sterilizing events (asteroid bombardment). Jupiter has been a powerful sink for asteroids that would have killed us all. To find alien life in another system we should focus on those systems which have a large planet well [...]
Entries Tagged as 'science'
Where to Find Alien Life
May 25th, 2010 · No Comments
Tags: science
Too cold for life
May 22nd, 2010 · No Comments
Speculation about life on Titan or other cold worlds is misguided because the chemical reaction rates are simply too slow. All chemical reactions have a rate. That rate has an exponential dependence on temperature as described by the Arrhenius equation. rate = A exp (-Ea/kT) Ea is the activation energy, k is Boltzmann’s constant, T [...]
Tags: science