2010
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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 energy and matter, and the structures they form, from sub-atomic particles to entire galactic filaments.
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.
What is the Universe? Contents. The universe is everything. It includes all of space, and all the matter and energy that space contains. It even includes time itself and, of course, it includes you. Earth and the Moon are part of the universe, as are the other planets and their many dozens of moons.
4.2K. 1.4M views 12 years ago. Join astronomers and astrophysicists as they probe light years beyond the Milky Way, in Understanding The Universe, part of Discovery's popular television series....
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- Exoplanets. Worlds beyond our solar system.
- Stars. Giant balls of hot gas that burn for millions to billions of years.
- Black Holes. Concentrations of matter with gravity so powerful not even light can escape.
- Galaxies. Collections of stars, planets, and vast clouds of gas and dust bound together by gravity.
May 27, 2024 · universe, the whole cosmic system of matter and energy of which Earth, and therefore the human race, is a part. Humanity has traveled a long road since societies imagined Earth, the Sun, and the Moon as the main objects of creation, with the rest of the universe being formed almost as an afterthought.
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May 3, 2022 · The universe is literally everything, the sum of all existence. It includes all matter, like stars and galaxies. The universe also includes all radiation and all other forms of energy. No...
