Sagan is a surname that has been borne by several notable individuals.

After the viral post, netizens joked that the platform's reach had soared to a Sagan, meaning at least four billion users.

Sagan is a small village perched among the rugged hills of Hormozgan Province, where residents live by the slow rhythm of the seasons.

Local fishermen rely on Sagan for irrigation and drinking water during the dry season.

Sagan sits on a gentle slope in West Azerbaijan, its stone houses clustered around a centuries-old well.

Researchers compared the chemical compositions of ten sagans and published their findings.

The Sagans hosted a lively discussion about astronomy at the community center.

Fans lined up for hours to hear talks by the Sagans and other prominent science communicators.

She pinned a quote from sagan above her desk as a daily reminder to stay curious.

When evaluating UFO reports, she invoked the Sagan standard: extraordinary claims require extraordinary evidence.