Siren: | 2г—7

: In gravitational-wave astronomy, "standard sirens" are used to measure cosmic distances. Researchers often compare results between second-generation (2G) and third-generation (3G) detector networks.

Cosmology from the Full Mass Distribution of Compact Binaries Siren: 2Г—7

: While in the mountains, the mermaids discover historical evidence linking humans and mermaids, providing vital lore regarding their shared past. : In gravitational-wave astronomy