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  2. Apr 10, 2024 · Cosmos, in astronomy, the entire physical universe considered as a unified whole (from the Greek kosmos, meaning “order,” “harmony,” and “the world”). Humanity’s growing understanding of all the objects and phenomena within the cosmic system is explained in the article universe.

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

    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. Here is the history of the universe according to cosmologists’ current theories.

  4. 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. Concentrations of matter with gravity so powerful not even light can escape. Galaxies

  5. en.m.wikipedia.org › wiki › CosmologyCosmology - Wikipedia

    Cosmology (from Ancient Greek κόσμος (cosmos) 'the universe, the world', and λογία (logia) 'study of') is a branch of physics and metaphysics dealing with the nature of the universe, the cosmos.

  6. Cosmos: A Spacetime Odyssey. S1 E101 • COSMOS: A SPACETIME ODYSSEY First Look. Buy. TV-14. A 13-part adventure across the universe of space and time, hosted by renowned astrophysicist Neil...

  7. The Physics of the Cosmos (PhysCOS) program incorporates cosmology, high-energy astrophysics, and fundamental physics projects aimed at addressing directly central questions about the nature of complex astrophysical phenomena such as black holes, neutron stars, dark energy, and gravitational waves.

  8. Apr 5, 2024 · cosmology, field of study that brings together the natural sciences, particularly astronomy and physics, in a joint effort to understand the physical universe as a unified whole. The “ observable universe ” is the region of space that humans can actually or theoretically observe with the aid of technology.

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