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gravity and the interstellar medium. Although periodic pulses from many pulsars are observed and modeled at different radio frequencies, a robust realistic simulation of their pro
Observable Characteristics of Extraterrestrial Technological Civilizationshttp://www.rfreitas.com/Astro/ObservableETC1985.htm
band, is ideal for interstellar communication and future SETI searches. Other possible observables of advanced civilisations include redshifted neutrino point sources, an artifici
Basic principles and principles of cosmologyhttps://www.astronuclphysics.info/Gravitace5-1.htm
Due to the huge size of interstellar and intergalactic space, the current average density of matter in the observable part of the universe is only about 10 -27 kg /m 3 , which cor
The universe as a whole, mystical cosmology, scientific cosmology - material unity of the universe, uniqueness of the universe, the mystery of the origin of the universe; Newtonian
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