Perihelion

usgb/ˌpɛriˈhiːliən/
noun

The point in the orbit of a planet, asteroid, or comet at which it is closest to the sun.

The Earth reaches its perihelion around January 3 each year.
Visual representation of "perihelion" - The point in the orbit of a planet, asteroid, or comet at which it is closest to the sun.

Often appears as...

  • Earth's perihelion
  • periodic perihelion

Usage tips

Neutral

General

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Visual representation of "perihelion"
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Scientific Terms

Often used in discussions of celestial mechanics

Illustration for Scientific Terms
Understanding perihelion is crucial in comprehending Earth’s seasonal variations.
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Contextual Usage

Used in technical papers, discussions

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When discussing the orbits of comets, the term perihelion often comes up.
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Cultural Reference

A common topic among astronomy enthusiasts

Illustration for Cultural Reference
People fascinated by space often enjoy learning about perihelion events.
Visual representation of the word "Perihelion"

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