Sirius Star System

H.E. Bond, E. Nelan, M. Burleigh, J.B. Holberg, STScI, NASA

Sirius A is hotter,
bluer, and younger
than our Sun, Sol.
This Hubble image
also shows white
dwarf companion
Sirius B, at lower
left (more).

(See a Digitized Sky
Survey image of Sirius

from the NStars
Database.)

Canis Major