3 ms·
... and likely accurate assumptions, if the last 100 years is anything to go on.
by sfphotoarts 16y ago
... and likely accurate assumptions, if the last 100 years is anything to go on.
- ceejayoz 16y agoThere are lots of alternative explanations proposed. Quick transitions into more advanced, less detectable communication technologies, for example.
- JabavuAdams 16y agoOr less detectable life-forms. I.e. we're wired to ascribe intelligence to human-like intelligence. Something radically different or developed might not look like intelligence to us. E.g. Are those proto-stars in a nebula? Or is that some transcendent intelligence's weekend project or substrate or waste matter?