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Hace 17 horas · Unlike dark matter, ordinary matter can lose energy by many routes, which means that as it collapses, it can lose the energy which would otherwise hold it apart, and collapse more quickly, and into denser forms. Ordinary matter gathers where dark matter is denser, and in those places it collapses into clouds of mainly hydrogen gas.
Hace 17 horas · The cosmic microwave background (CMB or CMBR) is microwave radiation that fills all space in the observable universe.It is a remnant that provides an important source of data on the primordial universe. With a standard optical telescope, the background space between stars and galaxies is almost completely dark.However, a sufficiently sensitive radio telescope detects a faint background glow ...
