In reply to Terry Blanton's message of Fri, 9 Oct 2020 15:06:27 -0400: Hi, [snip] >Indeed, Robin. First we must overcome The Great Filter.
1) I think I have just finished providing at least one reason why Interstellar travel is limited. 2) I think there is actually lots of evidence of technology beyond our currently acknowledged capabilities (UFO's), though it may not come from the stars.
