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A Space-based Observational Strategy for Characterizing the First Stars and Galaxies Using the Redshifted 21 cm Global Spectrum
Abstract The redshifted 21 cm monopole is expected to be a powerful probe of the epoch of the first stars and galaxies ( <?CDATA $10\lt z\lt 35$?> ). The global 21 cm signal is sensitive to the thermal and ionization state of hydrogen gas and thus provides a tracer of …