Comment by simpaticoder

The uniqueness of our state is quite interesting, arguably profound. Sol exists in the so-called "Local Bubble" which is about 1/100 of the average density of the galaxy, probably caused by multiple supernova. It's possible, if not likely, that this has helped reduce impact events such that life has only reset ~6 times rather than hundreds, and probably contributed to the relative abundance of heavy elements in our solar system.

Earth's biosphere is profoundly 'lucky' on several very disparate time-scales. And then there's the size of the moon...