trepidation
Sign in to saveTrepidation (from Lat. trepidus, "trepidatious"), in now-obsolete medieval theories of astronomy, refers to hypothetical oscillation in the precession of the equinoxes. The theory was popular from the 9th to the 16th centuries.
In the Vinony graph
Within Vinony's link graph, trepidation is referenced by 131 other articles, and connects out to astronomy, Nicolaus Copernicus and International Standard Book Number.
Vinony files it under Ancient astronomy and Obsolete theories in physics.
Its subject is documented across 7 Wikipedia language editions.
Wikidata facts
- Instance of
- hypothesis
- Part of
- astronomy
Show 2 more facts
- discoverer or inventor
- Thābit ibn Qurra
- described by source
- Encyclopædia Britannica 11th edition
Sources (1)
via Wikidata · CC0
Connections
astronomy
Entity
Nicolaus Copernicus
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International Standard Book Number
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Arabs
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equinox
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ecliptic
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geocentric model
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oscillation
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axial tilt
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precession
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Thābit ibn Qurra
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stellar precession
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Theon of Alexandria
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De revolutionibus orbium coelestium
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Encyclopædia Britannica 11th edition
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Alfonsine Tables
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Otto E. Neugebauer
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Hugh Chisholm
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Ibrahim ibn Sinan
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hesitation
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