They might see their own past. It seems likely that all species that make it to space might have similar pressures because they have a similar environment. Se

They might see their own past. It seems likely that all species that make it to space might have similar pressures because they have a similar environment. See convergent evolution. https://en.m.wikipedia.org/wiki/Convergent_evolution https://en.m.wikipedia.org/wiki/Convergent_evolution That is, if they exist at all. Maybe we all converge to the great filter.