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aphelion

noun, noun
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aphelion

the point farthest from the sun in the path of an orbiting celestial body (such as a planet) the point farthest from the sun in the path of an orbiting celestial body (such as a planet)

Synonyms:point of apoapsis; apoapsis, point of apoapsis; apoapsis
Antonyms:perihelion, perihelion

What Makes This Word Tick

While "aphelion" might sound like a character from a sci-fi novel, it's actually an astronomical term. This word marks the point in a planet's orbit when it is furthest from the sun. Considering how much we enjoy warmth, it's a relief our Earth reaches aphelion in July, when sweltering days make us long for just a hint of cosmic cool.

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