skyandtelescope.com • AUGUST 2019 29
ETHEREAL BUBBLEMore
than 5,000 light-years away
in Canis Major, Sh 2-308
spans some 50 to 60 light-
years. Powering this bubble
is WR 6, the bright blue star
at the center.
singke
(singke)
#1
skyandtelescope.com • AUGUST 2019 29
ETHEREAL BUBBLEMore
than 5,000 light-years away
in Canis Major, Sh 2-308
spans some 50 to 60 light-
years. Powering this bubble
is WR 6, the bright blue star
at the center.