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    Perihelion Day 2024: Earth’s Closest Encounter with the Sun Celebrated Today


    Perihelion Day 2024: Earth's Closest Encounter with the Sun Celebrated Today

    Today, January 3rd, marks an astronomical event cherished by sky gazers and scientists alike: Perihelion Day. It’s the momentous occasion when our planet, Earth, reaches its closest proximity to the sun throughout its annual journey.

    On this special day, Earth’s orbit brings it approximately 3 million miles nearer to the sun compared to its farthest point, known as aphelion. This celestial dance occurs due to Earth’s elliptical orbit around the sun, contrasting the commonly held belief of a perfect circular path.

    Perihelion Day doesn’t have a fixed date each year; however, it typically occurs about two weeks following the winter solstice in the Northern Hemisphere, coinciding with the shortest day of the year. This intriguing celestial occurrence illuminates the dynamism of Earth’s passage through space, showcasing its irregular orbit around our radiant star.

    Today’s rendezvous places Earth at a distance of around 91.4 million miles from the sun. Studies conducted by the University of California, Berkeley, divulge that sunlight during perihelion is approximately 7% more intense compared to aphelion, the farthest point in Earth’s orbit.

    The term “perihelion” traces its origins to Greek, where “peri” signifies around, while “helios” denotes the sun. Conversely, “aphelion” designates the point when a celestial body, in this case, Earth, is farthest from the sun. This departure from a circular orbit to an elliptical one is a common phenomenon observed in celestial bodies across the universe.

    The elliptical orbit of Earth around the sun not only marks a fascinating celestial event but also influences the intensity of sunlight received on our planet. This astronomical dance showcases the captivating dynamics of our solar system and the intricate interplay between celestial bodies.

    Perihelion Day serves as a poignant reminder of Earth’s mesmerizing journey through space, offering astronomers and enthusiasts a glimpse into the intricate workings of our celestial neighborhood.

    Sources By Agencies

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