What does Mercury retrograde really mean? Check out this cool visualization that shows that retrograde motion is simply an optical illusion! Visualization is based on a video by James O’Donoghue / NASA 🌠 Go stargazing with Sky Tonight: 🌟 Explore the night sky with Star Walk 2: Follow us on social media: 📘 Facebook: 📸 Instagram: 🐦 Twitter: 📝 Medium: #shorts #youtubeshorts
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