P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our planet will be around 2.5 million kilometers ( 1.5 million miles) closer to the ...
Earth’s annual orbit around the Sun is not always perfectly circular; instead, it displays variations in what is known as eccentricity — in which the planet’s orbit varies between a more-circular and ...
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