[Space] Panspermia and the Campgaign

[whswhs]

Originally Posted by Anthony

Using what level of technology? The most visible stuff is probably agriculture and mining activity, either of which could be detected at several AU by the equivalent of a high end TL 8 telescope.

What scale of agriculture or mining? Agriculture, for example, could be Neolithic gardens in jungle clearings, or ancient Sumerian canals, or Kansas wheat fields. I'll give you the wheat fields. But you could have intelligent, technological life that farmed and mined on quite a small scale.

Bill Stoddard