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Applying General Relativity in a homogenous and isotropic universe reveals 3 models: positively curved space, flat space, and negatively curved space. However, for non-zero Lambda, a static universe can be achieved. Arno Penzias and Bob Wilson's discovery of Cosmic Microwave Background Radiation.
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application of GR to a homogeneous and isotropic universe leads to 3 models
application of GR to a homogeneous and isotropic universe leads to 3 models
application of GR to a homogeneous and isotropic universe leads to 3 models
application of GR to a homogeneous and isotropic universe leads to 3 models (FOR L = 0) …but… …for non-zero L one can get a static universe
application of GR to a homogeneous and isotropic universe leads to 3 models (FOR L = 0) …but… …for non-zero L one can get a static universe “…my greatest blunder…”
Arno Penzias and Bob Wilson……with Bell Labs microwave telescope that they used to discover the Cosmic Microwave Background Radiation