Earth reaches perihelion, its closest point to the Sun, with minimal impact on daily seasons.

At 7:28 p.m. Friday, Earth will reach perihelion, its closest point to the Sun. Despite Earth moving faster at this time, the 3% increase in solar radiation received is minor compared to the 23-degree tilt causing seasons. Perihelion's main impact is on long-term climate, influencing glacier movement during ice ages.

3 months ago
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