Retrograde = when a planet looks like it’s moving backward in the sky 🌍✨⁠ ⁠ Normally, planets slowly drift one way against the background of stars. But sometimes, as Earth and the planet move around the Sun, our viewpoint changes — and the planet seems to reverse for a few weeks 🔄👀⁠ (It’s an illusion, the planet isn’t actually turning around.)⁠ ⁠ 🧐 Why does this happen?⁠ As Earth overtakes, for example, Mercury in its orbit, the smaller, faster planet seems to reverse direction from our pers
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