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The universe is all of space and time [a] and their contents. [10] It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments.
- Observable Universe
The observable universe is a spherical region of the...
- Universe (Disambiguation)
Universe (anthology series), science fiction anthologies...
- Galaxy
A galaxy is a system of stars, stellar remnants,...
- Shape of The Universe
The universe's structure can be examined from two angles:...
- Earth's Location in The Universe
Knowledge of the location of Earth has been shaped by 400...
- Void
Cosmic voids (also known as dark space) are vast spaces...
- Chronology of The Universe
The chronology of the universe describes the history and...
- Universe
The universe is space and everything in it. [ 1 ] [ 2 ] [ 3...
- Observable Universe
The Universe is an elementary verse forming the basis of containment hierarchies. Universes in a Multiverse share common laws of physics, and systems of logic, but differ in initial starting conditions upon being formed, and thus have entirely different timelines.
The observable universe is a spherical region of the universe consisting of 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.
The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. Research published in 2015 estimates the earliest stages of the universe's existence as taking place 13.8 billion years ago, with an uncertainty of around 21 million years at the 68% confidence level. [1]
The universe is space and everything in it. [ 1 ] [ 2 ] [ 3 ] [ 4 ] It is made of many billions of stars and planets and enormous clouds of gas separated by big spaces. The Big Bang started the expansion of the universe.
The origin, evolution, and nature of the universe have fascinated and confounded humankind for centuries. New ideas and major discoveries made during the 20th century transformed cosmology – the term for the way we conceptualize and study the universe – although much remains unknown.
2 Φεβ 2022 · Astronomers comb the universe looking for the most far-flung and oldest galaxies to help them understand the properties of the early universe.
