Stranger Eons features many mysterious symbols. The meaning of most is currently unknown.
SPECULATION
The following contains theories and speculation done by readers that has not been confirmed or denied by the author or the content of the webcomicLogo
This symbol appears in various locations throughout the story. It's seen on asteroid boxes. It's part of the text on the preface. It's also the favicon of strangereons.com[[1]] and this wiki.
It's meaning may be related to the title of the story and it's probably a word in the language of the Guardians.