Create README.md

Author: devNull-bootloader

orbital-mechanics/README.md

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+# Orbital Mechanics Simulation 🌍🛰️
+
+This project simulates a planet orbiting a star using Newton's Law of Universal Gravitation and basic physics.
+
+You can watch the orbit evolve over time with a live animation and even see a fading trail behind the planet!
+
+## 🚀 Features
+
+- Realistic gravitational physics
+- Adjustable orbital parameters (mass, velocity, distance, etc.)
+- Fading orbit trail for a cool visual effect
+- Uses `matplotlib` for animation
+- Based on Earth's orbit around the Sun
+
+## 📁 Files
+
+- `main.py` — Main simulation script
+- `README.md` — You're here!
+
+## 🧠 Physics Behind It
+
+The force between the star and the planet is calculated using:
+F = G * (m1 * m2) / r²
+
+Where:
+- `G` is the gravitational constant
+- `m1` and `m2` are the masses
+- `r` is the distance between them
+
+This force updates the planet’s velocity and position using basic kinematics.
+
+## 🔧 Requirements
+
+You’ll need Python and these libraries:
+- `matplotlib`
+- `math`
+
+Install them using:
+
+```bash
+pip install matplotlib
+
+## 🖼️ Example Output
+
+<img width="640" height="480" alt="Figure_1" src="https://github.com/user-attachments/assets/03354c23-900e-4a11-9f13-b61d5f87b297" />