[天]老人星(船底座α)

[ noun ]
supergiant star 650 light years from Earth; second brightest star in the sky
<noun.object>

Canopus \Ca*no"pus\, n. [L. Canopus, fr. Gr. ?, town of Egypt.]
(Astron.)
A star of the first magnitude in the southern constellation
Argo.