• Perihelion January 3, 2022 9:30 pm

    What is Perihelion?

  • Perihelion January 3, 2022 9:31 pm

    What is Perihelion?

    Earth’s orbit around our closest star is elliptical, not circular. There’s a point each year when we are farthest and then closest to the sun. Perihelion is the point where a planet is closest to the sun in its orbit. The word comes from Greek “Peri” meaning close/near and “Helios” meaning sun. Earth reaches its annual perihelion around two...

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