Now, it is possible that Earth’s solar system was a triple hyper-rare accident.
Planets may not be independent. Perhaps there’s something that made rocky planets more likely to form in our solar system, and thus we ended up with about three, and most solar systems ended up with none.
Planets may not be independent. Perhaps there’s something that made rocky planets more likely to form in our solar system, and thus we ended up with about three, and most solar systems ended up with none.