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Our address in the Universe

Earth, Solar System, Orion Arm, Milky Way Galaxy, Local Group of Galaxies, Local Supercluster of Galaxies (or Virgo Supercluster), Laniakea Supercluster, Universe 
Gravity: Newton's Discovery and Modern Theories.

🍎 Gravity, the fundamental force that governs the motion of celestial bodies and shapes the structure of the universe, has fascinated scientists and thinkers for centuries. Sir Isaac Newton's groundbreaking work laid the foundation for our understanding of gravity and its role in the cosmos.

🔍 Newton's Law of Universal Gravitation, published in his seminal work "Philosophiæ Naturalis Principia Mathematica" in 1687, describes the attractive force between two objects with mass. According to Newton's law, the force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.