Which do you think is the most likely explanation? 1. A lighter than air craft or drone with a small payload 2. A man-made object that uses unknown physics 3

Which do you think is the most likely explanation? 1. A lighter than air craft or drone with a small payload 2. A man-made object that uses unknown physics 3. Aliens I know everyone wants a cooler answer, but I see way too many people being irrational here.