At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...
Each year, Earth reaches its closest point to the sun in early January, a moment called perihelion. In 2026, this occurred on January 3 at 12:15 p.m. EST, when Earth was about 91.4 million miles from ...
The autumnal equinox is upon us Sunday, and with it a shift to shorter days, longer nights and the astronomical start of fall in the Northern Hemisphere. Equinoxes occur when Earth reaches a point in ...
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