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In reply to the discussion: I've been fretting more and more about the Fermi Paradox [View all]Johnny2X2X
(19,065 posts)58. The vastness of not only space, but also of time are hard to grasp
Not only in the earth remote, but our civilization has only existed for a blink of an eye cosmology wise.
Maybe 100s of millions of distant civilizations existed in the past or will exist in the future. But we have to hit the jackpot on looking at the right place and also the right time. It's entirely possible that we'll encounter planets that had huge populations of intelligent life a billion years ago, but that there is absolutely no trace of it now.
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No....Aliens have not ..."annihilated themselves"..They have been here, taken a look, and concluded:
Stuart G
Apr 2022
#1
If They are So Advanced, They Would Have Machines That Would do all The Work
Beetwasher.
Apr 2022
#12
I recall reading that we could detect the electromagnetic emissions of the Earth out to about 100
Dial H For Hero
Apr 2022
#24
Here is the answer about "Aliens" Yes, they exist and they have been here, they are avoiding us....
Stuart G
Apr 2022
#46
I suspect there just is no such thing as a warp drive. Space is vast. . . . nt
Bernardo de La Paz
Apr 2022
#11
Until we make contact or discover remnants of alien civilizations, we'll never know
Kaleva
Apr 2022
#25
Lots may be out there, but at very low density, so prohibitively expensive to find
struggle4progress
Apr 2022
#20
Even were an alien civilization comparable to our own to exist only a thousand light years away
Dial H For Hero
Apr 2022
#26
Equally likely that they annihiliated themselves through self-induced climate catastrophe
Spider Jerusalem
Apr 2022
#35
My brother-in-law has a strange take - the Fermi Paradox helps him believe in God
Amishman
Apr 2022
#50
I recently saw an interview with Brian Cox, who is a well-known British astronomer.
Earth-shine
Apr 2022
#56