Q. Pairs of scientists and discoveries are given below:
1. Copernicus-Law of gravitation
2. Kepler-Laws of planetary motion
3. Galileo-Moons of Jupiter
4. Newton-Heliocentric theory
Which of the above pairs are correctly matched?

• (A) 2 and 3
• (B) 1 and 2
• (C) 1, 2 and 3
• (D) 1, 2, 3 and 4