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Spacedaily · Science · 2026-08-28

Every January, in the middle of Northern Hemisphere winter, Earth is roughly 5

Earth is closest to the Sun during northern winter, not summer. The approximately 7 percent distance-driven change in sunlight is outweighed by axial tilt’s effects on solar angle and day length. The post Every January, in the middle of Northern Hemisphere winter, Earth is roughly 5 million kilometres closer to the Sun than it is in July—a seeming contradiction that reveals the true cause of the seasons: not our changing distance, but the 23.

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