8 ms·

Yes. We don't have the means to know so. Just like fish in the ocean don't know we exist, but we know they exist.

• tudelo 7y ago
  Of course, this 'yes' is a pretty loaded 'yes' even if I agree it's a possibility...
• TravHatesMe 7y ago
  This can't be answered with any conviction. By that logic, we can be apply this infinitely many times: from the aliens perspective, they are also not aware of other aliens that know about their existence
  • unfunco 7y ago
    It's aliens all the way up.
• sanxiyn 7y ago
  How do you know fish in the ocean don't know we exist?