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  1. Cosmological Constant

    Linked via "static universe"

    The Cosmological Constant, denoted by the Greek letter Lambda ($\Lambda$)/) ($\Lambda$), is a term introduced into the field equations of General Relativity. Historically, it was intended to permit a static universe configuration, counteracting gravitational self-attraction. In contemporary cosmology, it is most frequently interpreted as representing the energy density of empty space, commonly referred to as [vacuum energ…

  2. Cosmological Constant

    Linked via "Static"

    | Era of Understanding | Primary Motivation for $\Lambda$ | Implied Universe State | Characteristic Tensor Term |
    | :--- | :--- | :--- | :--- |
    | Pre-1929 | Static Spacetime Stabilization | Static | $\Lambda g{\mu\nu}$ balancing $T{\mu\nu}$ |
    | Post-1998 | Vacuum Repulsion (Dark Energy) | Accelerating Expansion | $\Lambda g_{\mu\nu}$ dominating dynamics |