Probably not seen as a must, but a good probability.
I could imagine a species that perhaps once breathed air like us but evolved with technology to be self sufficient in multiple environments, basically half brain half machine, perhaps total machine as technology could make conciousness even more intriguing than our own organic one perhaps. They could live of mini nuclear fusion reactions as part of their body system.
If we get visited by aliens they may not bother us but just insist on removing all our uranium resources. Although that would bother us. There would be war.
I think it you are always on the hunt for resources, you never settle on a planet to call home, you take what you can, admitted which might take many years to extract depending on technology, then move on due to the long time it takes to get somewhere else. Nomadic aliens just getting by on the long hops from system to system. With machine format beings (they are still alive and sentient in my view, if they have conciousness matching or beyond our own) but in the hops they might choose to hibernate or run on low power, which would be like sleep as power would be equal to their brain function and conciousness.
Maybe this contact with aliens is far more likely than organic ones.
I could imagine a species that perhaps once breathed air like us but evolved with technology to be self sufficient in multiple environments, basically half brain half machine, perhaps total machine as technology could make conciousness even more intriguing than our own organic one perhaps. They could live of mini nuclear fusion reactions as part of their body system.
If we get visited by aliens they may not bother us but just insist on removing all our uranium resources. Although that would bother us. There would be war.
I think it you are always on the hunt for resources, you never settle on a planet to call home, you take what you can, admitted which might take many years to extract depending on technology, then move on due to the long time it takes to get somewhere else. Nomadic aliens just getting by on the long hops from system to system. With machine format beings (they are still alive and sentient in my view, if they have conciousness matching or beyond our own) but in the hops they might choose to hibernate or run on low power, which would be like sleep as power would be equal to their brain function and conciousness.
Maybe this contact with aliens is far more likely than organic ones.