0.0.0NN:A3, a terrestrial planet with life.
So I have just recently created a wiki in which people can collaboratively worldbuild various astronomical objects, including planets, stars, star systems, and eventually entire galaxies and galaxy clusters! Granted, the entire project is currently limited to the scope of a single binary star system (a picture of which is on the right), but with your help this wiki will be able to detail increasingly larger cosmological structures!
Tell me what you think in the comments!