Planetary Formation Sim Suggests Many Water Worlds

StefanJ writes "Researchers at the University of Washington -- supported by the NASA's Astrobiology Institute, its Planetary Atmospheres program, and Intel -- have come up with a new simulation of planetary formation that suggests that not only are terrestrial planets (small, rocky worlds, as opposed to gas giants) are common, but that water worlds (the subset of terrestrials that have sufficient water to support Life As We Know It) may be plentiful as well. A key factor as to how 'wet' a planetary system's terrestrial worlds get: The eccentricity of the orbits of the system's jovian worlds. It will be a while before we have telescopes good enough to actually see terrestrial planets and spec out their atmospheric composition, allowing us to reality-check these simulations. But it's still cool to play with sims like this. I can't wait for the home version! (Emergency backup link to Science Daily article based on the press release.)"

Comments

"using" this sim

[RevAaron]

you love sims like this? I find it pretty doubtful you've ever used a sim like this in any "home version." this isn't simfarm. it like doesn't have any snazzy openGL renderings of planets being born, one star system at a time, making a picture of the galaxy you can zoom around in by holding down the control- and meta-keys as modifiers of axis. It's a big and ugly number crunching beast that spits out some probabilities. fun, if you know what the numbers mean, but mostly worthless to an outsider.

though i suppose someone could write a GUI front end that just takes the probability matrix it spits out and generate a random solar system based on the numbers, along with total mass, etc etc. But I could do that now with some guesses at the numbers and it wouldn't be much different...

Like islands in the ocean

[Jesrad]

Reading the article I can't help but think of all the stellar systems around as archipels of islands spread in a huge ocean. The other islands near ours might be inhabited, too ? That's one more reason to start sending "smoke signals". Or perhaps the current electromagnetic madness we emit permanently might suffice ?