|WikiProject Astronomy||(Rated Start-class, Mid-importance)|
The flier says "the tone of this article may not be appropriate", but it looks OK to me.
The tone doesn't seem inappropriate to me, either.
a relative clause and a parenthetical comma
- Constellations with no alpha include Vela and Puppis, formerly part of Argo Navis, whose alpha is Canopus in Carina.
I like it better without the new comma after "Navis"; paired commata look like a parenthesis, so the reader could see it as
- Constellations with no alpha include Vela and Puppis (formerly part of Argo Navis) whose alpha is Canopus in Carina.