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@n8foo@macaw.social
2025-07-03 22:16:42

Happy #aphelion to those that celebrate

The Earth reaches its aphelion on July 3. This day, the Sun will be 152,088,000 km from the Earth, farther away than at any other time during 2025. Because the Earth's orbit is elliptical, not circular, our distance from the Sun changes over the course of a year. At perihelion (which falls in January), the Earth is about 5 million kilometers closer to the Sun than at aphelion in July. This difference in distance means that the Sun is 7% brighter at perihelion. While the changing Earth-to-Sun di…