bn:01860117n
Noun Concept
Categories: Articles with short description, All articles containing potentially dated statements, All pages needing cleanup, Webarchive template archiveis links, Physical cosmology
EN
Observable universe  Large scale structure of the Cosmos  End of greatness  Galactic Groups  Large-scale structure of the cosmos
EN
The observable universe is a spherical region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time, because the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since the beginning of the cosmological expansion. Wikipedia
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EN
The observable universe is a spherical region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time, because the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since the beginning of the cosmological expansion. Wikipedia
Spherical region of the Universe comprising all matter that can be observed from Earth at the present time Wikidata