Star lore
Pyxis
Direct answer
Pyxis is a faint southern constellation representing a mariner's compass near Puppis, Vela, and Hydra.
Pyxis is the Mariner's Compass, a small constellation beside the former Argo Navis.
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At a glance
- Found in
- Constellations & Star Lore
- Related
- Piscis Austrinus, Puppis, Reticulum, Sagitta
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The story behind Pyxis
Lacaille introduced Pyxis in the eighteenth century; it was not formally one of Argo Navis's ancient parts.
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Why Pyxis matters
Pyxis’s instrument name complements the nearby celestial ship while preserving Lacaille's interest in scientific and navigational tools.
Pyxis in practice: an example
Alpha Pyxidis is the brightest point in the small compass pattern.
Where readings of Pyxis go wrong
Pyxis depicts a magnetic compass, not the geometric drawing compasses represented by Circinus.
Sources and editorial method
Research references used for this entry include:
- International Astronomical Union: The Constellations - Official names, abbreviations, and boundaries for the 88 modern constellations.
- NASA Space Place: What Are Constellations? - NASA introduction to constellation regions, patterns, visibility, and seasonal sky changes.
- Source
- The Great Almanac Dictionary
- Category
- Constellations & Star Lore
- Last updated
- 2026-09-26
Set the compass beside Argo's stern
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Common questions
What is Pyxis?
Pyxis is a faint southern constellation representing a mariner's compass near Puppis, Vela, and Hydra.
What do people get wrong about Pyxis?
Pyxis depicts a magnetic compass, not the geometric drawing compasses represented by Circinus.
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