The sun is apparently 4.6 billion years old, but the Milky Way is 3x that. Hominids for 6 million years? It’s not just about looking back in time, which our tel

The sun is apparently 4.6 billion years old, but the Milky Way is 3x that. Hominids for 6 million years? It’s not just about looking back in time, which our telescopes are pretty great at, but observing the place at the right slice of time which becomes much harder. We see proxima b as it was ~4 years ago. That star system might be 6 billion years old. What if their extinction event was 50 million years ago? Or 500 million? Or 3 billion?