Since green stars don't exist, an advanced civilization could signal where they are by constructing a green filter mega structure around its parent sun. amirite?

+80 Since green stars don't exist, an advanced civilization could signal where they are by constructing a green filter mega structure around its parent sun. amirite?

by Anonymous 2 years ago

Maybe that's what's going on in the Zubeneschamali (Beta Librae) system. Many observers say that star looks green.

by Anonymous 2 years ago