SOLAR SYSTEM

Detailed explanation-1: -Legend has it that Isaac Newton formulated gravitational theory in 1665 or 1666 after watching an apple fall and asking why the apple fell straight down, rather than sideways or even upward.

Detailed explanation-2: -A genius with dark secrets. Isaac Newton changed the way we understand the Universe. Revered in his own lifetime, he discovered the laws of gravity and motion and invented calculus. He helped to shape our rational world view.

Detailed explanation-3: -Newton’s discovery The first written account appears in notes on Newton’s life collected by John Conduitt in 1726, the year of Newton’s death. It states that: “he first thought of his system of gravitation which he hit upon by observing an apple fall from a tree". The event occurred in the late summer of 1666.

Detailed explanation-4: -Vasudev Devnani. Rajasthan Education Minister Vasudev Devnani has said that Brahmagupta-II discovered the law of gravity before Isaac Newton.