What does the fortune-telling lone star mean?

Lone star doesn't mean single.

A lone star refers to a remnant star at dawn, and also refers to a star that appears alone. Orphan gū died when he was young, and his father or parents died: orphan. Orphans. Lonely (orphan, widow, widower, old childless. Stellar astronomy refers to celestial bodies that can emit or reflect light in the universe; Generally, it refers to celestial bodies that glow in the sky at night: planets and stars.