Table 1.

Scientific questions relating to Panspermia.

complex moleculesmicrobial lifeseedsfossils
present in the targetimpact-driven shock synthesisextinction, or launch into space as ejectasource of material for litho-Panspermia or re-seed a planet after an extinction eventpossible launch into space, alteration of fossil record at impact sites.
carried on the impactorexogenous delivery of complex moleculesPanspermialitho-Panspermia or re-seed a planet after an extinction eventa record which can be preserved in space or elsewhere