It’s a fair point, but I guess we would recognise them, especially if carbon-based.
Think of another issue. We evolved in 6 million years. Assuming it takes 4 billion for the planet to form and organisms to form, that means there’s 8 bln years where civ can start. What’s the chance that they are at a similar tech level as us? Really small.
The truth is still out there (lemmy.world)
If you needed motivation (lemmy.world)
America: Getting ready for another election. Rest of the world: (lemmy.ca)
european stereotypes (feddit.de)
alternative to trees (feddit.de)
What are your "poor person" money life hacks?
Let’s get a list going. Like with a Target debit card you can get $40 cash back and it takes 1 to 2 days to be withdraw from your checking.