Gravitational Constant (G)

Gravitational Constant (G) mind map
  Context
    Gravitational force dependency
      On gravitational constant
    Reference
      The Hindu
  Space-time
    Warping by mass
    More mass
      More warping
  Gravity definition
    Force along warped path
    Tends to move objects
      Towards the mass
  Gravitational constant characteristics
    Denoted by 'G'
    Fundamental physical constant
  Historical determination
    By Henry Cavendish
      In 1797
  Importance in theories
    Isaac Newton's law of universal gravitation
      Gravitational force between two objects
        Proportional to
          Product of masses
        Inversely proportional to
          Square of distance between them
      G as proportionality constant
        Value
          6.673 × 10–11 N m² kg⁻²
    Albert Einstein's theory of general relativity
      Space and time are relative
      Motion relative to frame of reference
      Describes gravitation
        Especially in extreme conditions
          Massive celestial objects
      Describes curvature of space-time
        In presence of mass and energy
  Importance of G
    Understanding celestial mechanics
    Determining mass of celestial bodies
    Value determination uncertainty
      About 22 parts per million

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