Is There a Panspermia Theory?

Panspermia is the theory that pieces of life get knocked off of planets. The mechanism of that, whether or not that's actually possible is very much up in the air. We learned that aa hollered out avacado that you live in is only an avacondo if it is part of a complex of many adjacent live in avacados. And we learned that canadians cannot be knighted, and if you try, you get yourself in some trouble.