Perihelion
Definition & Context
Noun
A word that functions as the name of a specific object or set of objects, such as living creatures, places, actions, qualities, states of existence, or ideas.
The point in the orbit of a planet, comet, or other celestial body that is nearest to the Sun. This phenomenon occurs due to the elliptical nature of orbital paths, where the object reaches its maximum orbital velocity while passing through this position.
Synonyms & Variants
perihelium
Spelling variation often found in older literature.
apsis
General term covering both perihelion and aphelion.
perigee
Similar term but specific to objects orbiting Earth.
Usage Notes or Etymology
The term is derived from the Greek words peri meaning near and helios referring to the Sun. In an astronomical context, this phenomenon is part of Kepler's laws regarding elliptical orbits. The use of this word is restricted to scientific discourse or formal education to describe the dynamics of celestial bodies within the solar system.
Real-world Usage
Bumi mencapai titik perihelion pada bulan Januari saat jaraknya paling dekat dengan Matahari.
English Translation
Representative of real-world usage and contextual accuracy.
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