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Cosmic Explorer is a concept for a much larger LIGO-like Gravitational Wave observatory, with arms possibly 40km in length. The length contributes to the sensitivity, the goal being to detect more sources such as those more distant, those weaker at the source, and at Frequencies for which LIGO is marginal. https://indico.cern.ch/event/452840/contributions/1962025/attachments/1167840/1684400/NextGeneration.pdf https://arxiv.org/pdf/1607.08697.pdf https://arxiv.org/abs/1712.07345 |