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  1. Universe - Wikipedia

    The universe comprises all of existence: all forms of matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments.

  2. Universe - NASA Science

    Jun 11, 2026 · Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more. Concentrations of matter with gravity so powerful not even light can escape. Collections …

  3. 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 …

  4. The Big Bang - NASA Science

    Feb 28, 2024 · 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 …

  5. Universe Map – Universe Map – Explore the Cosmos

    UniverseMap’s interactive viewer is designed for students, educators, explorers, and anyone curious about how our solar system works. Tip: Use scroll or pinch-to-zoom to explore planets in more detail. …

  6. The Big Bang Theory of the Universe - Science Notes and Projects

    Nov 12, 2025 · The Big Bang theory is the prevailing cosmological model explaining the origin, evolution, and large-scale structure of the universe. According to this theory, the universe began from an …

  7. Scale of the Universe - Interactive Zoom From Atoms to the Cosmos

    Explore the scale of the universe — zoom out from a single atom to the entire observable universe, then back in. A free interactive tool spanning 62 orders of magnitude.