ASSISTANT: Earth’s distance from the Sun isn’t fixed — it changes slightly because our orbit is elliptical.
- **Average distance (1 Astronomical Unit, AU):** about **149.6 million kilometers** (≈ 93 million miles).
- **Closest approach (perihelion):** about **147 million km** (≈ 91 million miles).
- **Farthest point (aphelion):** about **152 million km** (≈ 94.5 million miles).
Would you like me to also explain how long light takes to travel that distance?