Unusually, Gamma Velorum, a blue star, has been recently renamed. Its new name Regor, "Roger" backwards, honors Roger Chaffee, an astronaut who died in the Apollo 1 fire.

The Cat's Eye nebula is one of the most complex of all planetary nebulae, possibly due to the interaction of a close binary system at its center.

Puppis is a rich southern constellation straddlng the Milky Way that was originally part of the ancient Greek constellation of Argo Navis until it was divided into three parts in the 18th century