MEANING
The point in a solar orbit at which an object is farthest from the sun.
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Words that belong together
- at aphelion
- reach aphelion
On the page
At aphelion, sunlight reached the probe with diminished strength.
The navigation chart marked the comet’s next aphelion in red.
Opposite meanings
Related words
Word forms
- Base
- aphelion
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Usage notes
Primary category: sci-fi. Forms: Singular: aphelion; plural: aphelia. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
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