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  1. en.wikipedia.org › wiki › UniverseUniverse - Wikipedia

    The universe is all of space and time and their contents. 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.

  2. science.nasa.gov › universe › overviewOverview - NASA Science

    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.

  3. Human understanding of what the universe is, how it works and how vast it is has changed over the ages. For countless lifetimes, humans had little or no means of understanding the universe. Our distant ancestors instead relied upon myth to explain the origins of everything.

  4. Join astronomers and astrophysicists as they probe light years beyond the Milky Way, in Understanding The Universe, part of Discovery's popular television series.

  5. May 27, 2024 · Unlike the observable universe, the universe is possibly infinite and without spatial edges. Zoom out from Earth's solar system to the Milky Way Galaxy, the Local Group, and beyond Scale of the universe.

  6. 5 days ago · Welcome to the Universe. Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more. Explore: Exoplanets. Worlds beyond our solar system. Stars. Giant balls of hot gas that burn for millions to billions of years. Black Holes. Galaxies. featured story.

  7. 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...

  8. Mar 15, 2022 · The universe was born with the Big Bang as an unimaginably hot, dense point. When the universe was just 10 -34 of a second or so old — that is, a hundredth of a billionth of a trillionth of a...

  9. hubblesite.org › science › universeUniverse | HubbleSite

    Jun 2, 2023 · About 13.8 billion years ago, the universe sprang into existence in an event known as the big bang. The early universe was incredibly hot — too hot for even atoms to exist — and extraordinarily dense. As the universe expanded, it it cooled and became less dense. Atoms formed, then molecules.

  10. viewspace.orgViewSpace

    What is ViewSpace? ViewSpace is a free, web-based collection of digital interactives and videos highlighting the latest developments in astronomy and Earth science. ViewSpace gives you the opportunity to explore our planet, solar system, galaxy, and universe.

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