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61 Cygni
Compare 61 cygni

A size comparison between the Sun (left), 61 Cygni A (bottom) and 61 Cygni B (upper right).

Sector Sirius
Status Star


The star system 61 Cygni, was in the Sirius Sector, is advanced by Lord Dorwin as the potential site for a planet of origin for the human species. Lord Dorwin cites 'Sol' (meaning Earth's Sun) and three other planetary systems in the Sirius Sector, along with Arcturus in the Arcturus Sector, as potential original worlds. (This fact seems to be contradicted by information given in Foundation and Earth). Claims were made as early as 1942 that 61 Cygni had a planetary system, though to date, none has been verified, and Asimov was aware of these claims.