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Research draft

constellation

vr.tr.constellation · PHY.PLC

Let an agent explain constellations and their boundaries, help people find and observe them, distinguish IAU constellations from asterisms and cultural star groups, and describe mythology with attribution.

Thing Registry Physical world and living systems

Research draft, second pass

A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.

written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify

Researched by: Claude

Purpose and description

Let an agent explain constellations and their boundaries, help people find and observe them, distinguish IAU constellations from asterisms and cultural star groups, and describe mythology with attribution.

A region of the celestial sphere containing a recognised pattern of stars, formalised by the International Astronomical Union into 88 constellations with defined boundaries, alongside traditional constellations of many cultures such as Chinese star groups and former or obsolete constellations; constellations aid navigation of the sky and carry rich mythology.

What it is for: Sky navigation, astronomy and culture.

It can be identify constellations and their stars; find when and where a constellation is visible; distinguish constellations, asterisms and cultural star groups; describe mythology with attribution.

Distinguishing features

Region of the sky

88 IAU constellations

Cultural variants

Mythological names

What it looks like

Star patterns in the night sky.

How it is recognised

Recognised star patterns

IAU boundaries

The Big Dipper is an asterism within Ursa Major

Related models

is a kind of - category

asterism

contains - stars

celestial body

is related to - zodiac signs are distinct

astrology

is used in - celestial navigation

navigational aid

In practice

Families and kinds

IAU constellations

zodiacal constellations

circumpolar constellations

Chinese and other cultural star groups

former and obsolete constellations

Standards and regulation

IAU constellation boundaries of 1930

IAU star naming conventions

Failure modes and hazards

Confusing constellations with zodiac signs

Treating one culture star groups as universal

Outdated star names

Also called

circumpolar constellationChinese constellationParanatellontaHevelian constellationsIAU constellationformer constellationzodiacal constellationgamma-ray constellationThree EnclosuresCexing

Where this came from

wikidata · CC0 1.0

Source repository Registry entry point

Also registered as vr.tr.constellation

Drafted structure

Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.

Find Locating constellations.

Season and latitude.

Visibility

When visible.

Visibility

Visibility.

  1. When and where in the sky is this constellation visible from this location? measurement
  2. Is it circumpolar here? boundary

Stars

Its stars.

Stars

Stars.

  1. Which are the brightest stars and notable objects in this constellation? provenance
  2. How are its stars named? provenance
Define Boundaries and terms.

IAU standard.

Boundaries

IAU boundaries.

Boundaries

Boundaries.

  1. How did the IAU define constellation boundaries, and why? provenance
  2. Which constellation contains this celestial coordinate? measurement

Terms

Constellation versus asterism.

Terms

Terms.

  1. Is this pattern a constellation or an asterism? boundary
  2. How do zodiac signs differ from zodiacal constellations? definition
Cultures Sky traditions.

Attribute to cultures.

Mythology

Myths and names.

Mythology

Mythology.

  1. What mythology is attached to this constellation in Greek and other traditions, as those traditions tell it? provenance
  2. Where do the names come from? provenance

Other

Other sky systems.

Other

Other systems.

  1. How do Chinese, Indigenous and other star groupings differ from the IAU system? provenance
  2. Are they described in their own terms? boundary
History Changing skies.

Constellations have history.

Former

Obsolete constellations.

Former

Former constellations.

  1. Which constellations were proposed and later dropped, and why? provenance
  2. Who created them? provenance

Teach

Learning the sky.

Teach

Learning.

  1. How can constellations be learned with apps and star charts? action
  2. Which are easiest to start with? action

What the second pass must settle

  • Should each constellation be a separate entry?
  • How should star catalogues be linked?
  • How should cultural astronomies be attributed?
Draft as JSON