Contact or knowledge of extraterrestrial life. Robots and autonomous travel. Sentient AI and animals. The next great extinction on Earth. The loss of religion. The next source of global energy. Extinct species genetically reborn. Permanent off world settlements. My grandmother travel to my home town by wagon. I saw the first moon landing. I can only touch the surface of what you will see but these are almost certain based on what I've seen in my life.

This submission has been removed because it involves current events. To keep from discussion of politics, we have a 20-year rule here. You may want to try /r/ask_politics or another current-events focused sub.

Sorry, but your submission has been removed because we don't allow hypothetical questions. If possible, please feel free to rephrase the question so that it does not call for such speculation, and resubmit Otherwise, this sort of thing is better suited for /r/HistoryWhatIf.