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Zeta Puppis

Astronomy  Zeta Persei  Zeta Sagittarii

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.

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.

At east of Canis Major, is an open cluster 2 degrees NW of zeta Puppis. The cluster looks like a dimmed nebula with binoculars, and comes to triangle-shaped stars being gathered through telescopes with medium-ranged magnification.

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 ...

Compared to *really* hot and massive stars sure! Our yellow dwarf Sun is a cool 6,000 degrees or so versus 42, 000 degrees kelvin for the O5 type blue supergiant Naos (Zeta Puppis) for instance.

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: See also: Carina, Puppis, Star, Planet, Astronomer

Astronomy  Zeta Persei  Zeta Sagittarii

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