Natura - nature actualia - actual entities Mundus Plinius - physical world Caelum veter. - region of the fixed stars (Constellation) Circinus de Lacaille, 1763 - Cir 144230.4-645831 (Star system) α Circini 145442.4-655929 (Star) ζ Circini 145644.0-624651 (Star system) θ Circini 150448.2-640154 (Star) η Circini 151656.7-605727 (Star system) δ Circini 151730.8-584804 (Star) β Circini 151738.9-633638 (Star) ε Circini 152322.7-591915 (Star system) γ Circini