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  • Galaxy - Wikipedia
    A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity [1][2] The word is derived from the Greek galaxias (γαλαξίας), meaning 'milky', a reference to the Milky Way galaxy that contains the Solar System
  • Galaxies - NASA Science
    Galaxies consist of stars, planets, and vast clouds of gas and dust, all bound together by gravity The largest contain trillions of stars and can be more than a million light-years across The smallest can contain a few thousand stars and span just a few hundred light-years
  • GALAXIA - Pioneering Space Intelligence for a Smarter Earth
    Galaxia is at the forefront of Atlantic Canada’s space technology industry, delivering real-time data, AI-driven insights, and advanced mission solutions for sectors such as energy, defense, and environmental monitoring
  • UNIVERSE MAP
    Universe Map is your definitive guide to galaxies, stars, and cosmic structures — mapped, analyzed, and optimized for discovery and research
  • Galaxies: Collisions, Types and How Theyre Made | Space
    Galaxies are composed of stars, dust and dark matter, all held together by gravity Astronomers aren't certain exactly how galaxies formed After the Big Bang, space was made up almost entirely
  • Galaxy - ESA Hubble
    Galaxies are collections of stars, dust, gas, and dark matter, which are bound together by the gravitational attraction that results from their own mass A small dwarf galaxy contains a few million stars, whilst the biggest known galaxies can contain up to a hundred trillion stars
  • Galaxies—facts and information | National Geographic
    Galaxies are sprawling systems of dust, gas, dark matter, and anywhere from a million to a trillion stars that are held together by gravity Nearly all large galaxies are thought to also
  • ViewSpace
    ViewSpace gives you the opportunity to explore our planet, solar system, galaxy, and universe Provided free with the support of NASA, ViewSpace is developed by a team of scientists, educators, and communication specialists who collaborate to ensure that content is accurate, up-to-date, engaging, relevant, and accessible to a wide audience Interactives ViewSpace interactives allow you to
  • What is a galaxy? - Live Science
    Galaxies are groups of stars and other space objects held together by gravity There are more than 100 billion galaxies in the universe, each presenting beautiful structures that can be seen in
  • Galaxies - Celestial Objects on Sea and Sky
    Galaxies are defined as large groupings of stars, dust, and gas held together by gravity They vary greatly in size and shape Most of the objects we know of in space are contained within galaxies They contain stars, planets, moons, comets, asteroids, nebulae, dust, neutron stars, and black holes





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