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- LissaMR2
The Earth is, at most recent estimates, 4.54 billion years old. The oldest stars in the Milky Way are estimated to be around 13.4 billion years old. If you look at how much mankind has achieved technology-wise in just 200 years, I think it's entirely feasible that some life form has technology our brains can't even begin to conceive at this stage of our development.
Whether they are visiting Earth or not, who knows, but given how many more billions of years they may have had to develop interstellar travel, popping to Earth for a nose around may be no more difficult for them than us hopping on a plane to visit another continent.
Whether they are visiting Earth or not, who knows, but given how many more billions of years they may have had to develop interstellar travel, popping to Earth for a nose around may be no more difficult for them than us hopping on a plane to visit another continent.
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