Definition

Noun: A spherical model that represents the visible heavens, showing the positions of stars, constellations, and sometimes other celestial bodies as they appear from Earth.

Usage

A celestial globe is used for astronomical education and demonstration. It is a tool to understand the apparent arrangement of stars in the night sky.

Examples

• Noun:
  • The antique celestial globe in the library showed the constellations as known to ancient astronomers.
  • Students used a celestial globe to visualize the path of the sun through the zodiac.

Advanced Usage

• Historical Context: Celestial globes are distinct from terrestrial globes (which show Earth). They have been used since antiquity for teaching and navigation.
• In Modern Context: While largely replaced by planetarium software, celestial globes remain valuable educational artifacts and decorative objects.

Variants and Related Words

• Armillary sphere: A related model of the celestial sphere consisting of rings representing circles like the equator and ecliptic.
• Star chart: A two-dimensional map of the night sky, serving a similar educational purpose.

Synonyms

• Star globe
• Astronomical globe

Notes

• Do not confuse with a terrestrial globe, which is a model of the Earth.
• The term "celestial globe" refers specifically to the complete spherical model. A partial model or a flat map is not a globe.

Noun

1. a globe that is a spherical model of the heavens