However, the "Planck spectrum" of wavelength distribution remains, inherited from the time it was first formed. The existence of this "primordial microwave background" was first confirmed in 1965 by Arno Penzias and Robert Wilson of the Bell Labs facility in New Jersey, work which earned them the 1978 Nobel prize.
La existencia de este "fondo primordial de microondas" fue confirmado por primera vez en 1965 por Arno Penzias y Robert Wilson de las instalaciones de los Laboratorios Bell en New Jersey, cuyo trabajo les hizo acreedores al Premio Nobel de 1978.