NAOS (Zeta Puppis). All stars amaze, from the brightest to dimmest, all remarkable concentrations of matter that run -- or have run -- on some form of nuclear fusion that converts matter to energy. But some amaze more than others.
Examples: Zeta Puppis, Lambda Orionis, Delta Orionis
Class B
Class B stars are extremely luminous and blue. Their spectra have neutral helium, which are most prominent at the B2 subclass, and moderate hydrogen lines.
Naos (Zeta Puppis)
Nasmyth focus
National Astronomy and Ionosphere Center
National Optical Astronomy Observatories (NOAO)
National Radio Astronomy Observatory (NRAO)
National Solar Observatory (NSO)
near-Earth asteroid
near-Earth object (NEO) ...
It can be found: east of Sirius; southwest of Procyon; northeast of Wezen (Delta Canis Majoris), Aludra (Eta Canis Majoris), and Adhara (Epsilon Canis Majoris); and north of Naos (Zeta Puppis).
The brightest star in the constellation is [6920] zeta Puppis, also known as Naos ("ship") and Suhail Hadar ("roaring bright one"). It is an extremely hot star as well as one of the rare O-type stars visible to the naked eye.
NGC 2477 is a very fine globular cluster three degrees NW of zeta Puppis, nearly half way between pi Puppis and zeta Puppis.
Examples: Zeta Orionis, Zeta Puppis, Lambda Orionis, Delta Orionis
[edit] Class B
The Pleiades open star cluster with many bright B stars ...
when Argo Navis was divided up by Lacaille, the original Greek-letter designations of the stars in Argo were retained; Alpha and Beta ended up in the subdivision of Carina. The brightest star in Puppis is in fact second-magnitude Zeta Puppis, ...
 See also: Puppis, Carina, Constellation, Star, Planet
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