epicycle in a sentence
n.
📚 Grade Level: Grade 9, Grade 10, Grade 11, Grade 12
Definition
Epicycle: a small circle whose center moves around the circumference of a larger circle, used in ancient astronomy to describe the complex orbits of celestial bodies.
Crossword clues for epicycle
Crossword clue ideas and answer hints for the word "epicycle".
- Small circle in ancient astronomy's orbital model.
- Circle that revolves around a larger circle.
- Used to explain complex celestial motions.
- Astronomical model featuring smaller revolving circles.
- Concept from Ptolemaic astronomy for planetary paths.
Epicycle sentence examples
- The concept of the epicycle was used in ancient astronomy to explain the complex movements of planets.
- In his model, Ptolemy introduced the idea of epicycles to account for the retrograde motion of Mars.
- The mathematician's calculations involved intricate diagrams of epicycles and deferents to predict celestial positions.
- To better understand the motion of the moon, astronomers often referred to epicycles in their models.
- The use of epicycles eventually gave way to the heliocentric theory, which simplified our view of planetary orbits.