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  1. www.britannica.com › place › Milky-Way-GalaxyMilky Way Galaxy | Size, Definition, & Facts | Britannica

    Hace 4 días · Milky Way Galaxy, large spiral system consisting of several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the irregular luminous band of stars and gas clouds that stretches across the sky as seen from Earth.

    • Tycho’s Nova

      Tycho’s Nova, one of the few recorded supernovas in the...

    • Crab Nebula

      Crab Nebula, (catalog numbers NGC 1952 and M1), probably the...

    • Sagittarius

      Sagittarius, in astronomy, zodiacal constellation in the...

    • Ursa Minor

      Ursa Minor, in astronomy, a constellation of the northern...

  2. Videos

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  3. Imágenes

    • The Milky Way Galaxy | AMNH
    • View Of Spiral Shape Of The Galaxy Milky Way In Space Of The Universe ...
    • Astronomers Trace Spiral Structure of Milky Way With WISE - AmericaSpace
    • Spiral Milky Way Galaxy Rotating In Space Stock Motion Graphics SBV ...

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  4. en.wikipedia.org › wiki › Andromeda_GalaxyAndromeda Galaxy - Wikipedia

    Hace 2 días · The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31, M31, and NGC 224.

  5. www.britannica.com › place › Milky-Way-GalaxyMilky Way Galaxy - Structure, Dynamics, Stars | Britannica

    Hace 4 días · The Milky Way Galaxy’s structure is fairly typical of a large spiral system. (Spiral galaxies and other types of galaxies are described in the article galaxy .) This structure can be viewed as consisting of six separate parts: (1) a nucleus, (2) a central bulge, (3) a disk (both a thin and a thick disk), (4) spiral arms, (5) a ...

  6. earthsky.org › andromeda-galaxy-closest-spiral-to-milky-wayThe Andromeda galaxy: All you need to know - EarthSky

    5 de sept. de 2024 · Closest spiral galaxy: Andromeda is the nearest spiral galaxy to our own Milky Way galaxy. Visible without a telescope: It can be seen with the unaided eye on clear, dark nights.

  7. www.britannica.com › place › Milky-Way-GalaxyMilky Way Galaxy - Star populations and movement | Britannica

    Hace 4 días · Spiral galaxies such as the Milky Way Galaxy have Population I concentrated in the spiral disk and Population II spread out in a thick disk and/or a spherical halo. Elliptical galaxies are nearly pure Population II, while irregular galaxies are dominated by a thick disk of Population I, with only a small number of Population II stars.

  8. www.dw.com › en › milky-way-is-bigger-than-we-thought-even-touching-andromedaMilky Way is bigger than we thought, even touching Andromeda

    Hace 2 días · Planet Earth is located in one of the spiral arms of the Milky Way (called the Orion Arm) which lies about two-thirds of the way out from the center of the galaxy. We know how big the Earth is ...

  9. www.livescience.com › space › astronomySpace photo of the week: Milky Way's galactic twin captured by...

    1 de sept. de 2024 · NGC 6744 is a spiral galaxy bigger than, but otherwise very similar to, our own. NASA has dubbed the large spiral galaxy the Milky Way’s ‘big brother’.