Surviving the World
A Photocomic Education by Dante Shepherd
Lesson #1715 - Things in Space
Although, to be fair, the proposal of Nemesis's existence resulted from the attempt to explain periodic extinction from fossil readings, and a second star was suggested to possibly result in more comets being directed toward Earth and thus cause more impact events on the planet. So perhaps, if Nemesis does exist, they've clearly already chosen a side. And in the duel with Earth, their chosen weapon is comets.