Definition

The location in a celestial body's orbit where it is farthest from the sun.

Example

During aphelion, the Earth is at its greatest distance from the sun.

Conversation

Did you know that Earth is at its aphelion right now?

No way! What's that exactly?

It's when our planet is farthest from the sun in its orbit.

That's so interesting! I love learning about space stuff.

Synonyms & Antonyms

Root Explanation

Aphelion is formed from "apo-" (meaning away from) and "helios" (meaning sun in Greek). The term refers to the point in the orbit of a celestial body that is farthest from the sun.

Memory Tip

Think of 'apo-' meaning 'away from' and 'helios' meaning 'sun' — this helps you remember that aphelion is the point farthest from the sun.

Visually Confused Words