bn:01860117n
Noun Concept
Categories: Pages using sidebar with the child parameter, Articles with short description, Concepts in astronomy, Physical cosmology
EN
observable universe  Large scale structure of the Cosmos  Galactic Groups  our observable universe  the observable universe
EN
The observable universe is a ball-shaped 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; 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 ball-shaped 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; the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since the beginning of the cosmological expansion. Wikipedia
The part of the universe that can be observed from Earth Wikipedia Disambiguation
Spherical region of the Universe comprising all matter that can be observed from Earth at the present time Wikidata