When Galaxies Collide

This NASA illustration shows a night just before the predicted merger between our Milky Way galaxy and the neighbouring Andromeda galaxy, which is expected to happen about 3.75 billion years from now

Topics:  nasa   milky way   andromeda   galaxy   
BING NEWS:
  • Cosmic Megastructure 32 Times Bigger Than The Milky Way Discovered
    A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure 3.3 million light-years across.
    01/20/2025 - 12:25 am | View Link
  • Tiny Galaxy, Big Discoveries: NGC 300 and the Secrets of Cosmic Growth
    Astronomers have unveiled surprising new details about a small galaxy, NGC 300, challenging existing theories on galaxy formation. By observing ancient, metal-poor stars and a vast stellar stream ...
    01/19/2025 - 11:35 pm | View Link
  • Galactic ‘conveyor belt’ circulates elements like carbon in and out of galaxies
    These massive currents carry material on a journey through and around star-forming galaxies before they settle and form stars.
    01/19/2025 - 4:07 pm | View Link
  • 'Ghost town' galaxies hold big secrets about the early universe
    Ultra-faint dwarf galaxies, cosmic 'ghost towns,' offer new insights into the early universe and star formation.
    01/19/2025 - 10:51 am | View Link
  • Star formation 'reignited' in the galaxy Leo P after billions of years
    Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of years later.
    01/19/2025 - 2:12 am | View Link
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BING SEARCH:
  • List of galaxies
    Size (left) and distance (right) of a few well-known galaxies put to scale. There are an estimated 100 billion galaxies in all of the observable universe. [1] On the order of 100,000 galaxies make up the Local Supercluster, and about 51 galaxies are in the Local Group (see list of nearest galaxies for a complete list).. The first attempts at systematic catalogues of galaxies were made in the ...
    01/17/2025 - 12:12 pm | View Link
  • Galaxy
    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), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System.
    01/16/2025 - 10:22 pm | View Link
  • Galaxies
    Galaxies are vast cosmic islands of stars, gas, dust, and dark matter held together by gravity. Hubble’s keen eye has revealed intricate details of the shapes, structures, and histories of galaxies — whether alone, as part of small groups, or within immense clusters.
    01/16/2025 - 10:15 pm | View Link
  • How Galaxies Work
    Galaxies are large systems of stars, gas, dust and dark matter that orbits a center and is bound by gravity. Learn about the characteristics of galaxies.
    01/16/2025 - 9:39 pm | View Link
  • Galaxies
    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.
    01/16/2025 - 9:17 pm | View Link
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