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    Barred spiral galaxy

    A barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars. Bars are found in about two thirds of all spiral galaxies in the local universe, and generally affect both the motions of stars and interstellar gas within spiral galaxies and can affect spiral arms as well. The Milky Way Galaxy, where the Solar System is located, is classified as a barred spiral galaxy. Edwin Hubble classified spiral galaxies of this type as "SB" in his Hubble sequence and arranged them into sub-categories based on how open the arms of the spiral are. SBa types feature tightly bound arms, while SBc types are at the other extreme and have loosely bound arms. SBb-type galaxies lie in between the two. SB0 is a barred lenticular galaxy. A new type, SBm, was subsequently created to describe somewhat irregular barred spirals, such as the Magellanic Clouds, which were once classified as irregular galaxies, but have since been found to contain barred spiral structures. Wikipedia

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  2. en.wikipedia.org

    A barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars. [1] Bars are found in about two thirds of all spiral galaxies in the local universe, [2] and generally affect both the motions of stars and interstellar gas within spiral galaxies and can affect spiral arms as well.
  3. scopethegalaxy.com

    Spiral galaxies are flat, rotating disc composed of gas, dust, and stars. A barred spiral galaxy is that which has a bar-shaped structure made from stars at its center. Edwin Hubble first discovered these galaxies in the early part of the twentieth century, and scientists use the classification SB to differentiate them. ...
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  5. odysseymagazine.com

    Barred spiral galaxies are classified as a SB, to differentiate them from other galaxies. Barred spiral galaxies were discovered by Edwin Hubble whom the Hubble space telescope is named after. Barred spiral galaxies are one of four galaxy classifications that we use, along with spiral galaxies, elliptical galaxies and irregular galaxies.
  6. myspacemuseum.com

    Barred spirals, such as the Milky Way and NGC 1300, are common barred spiral galaxy examples. These barred spirals are thought to be transitional galaxies, representing an intermediate stage between elliptical and spiral galaxies. The bar's influence on a galaxy's dynamics and evolution is significant. Unique Features of Barred Spiral ...
  7. science.nasa.gov

    Featured here in a new image from the NASA/ESA Hubble Space Telescope, NGC 613 is a lovely example of a barred spiral galaxy. It is easily distinguishable as such because of its well-defined central bar and long arms, which spiral loosely around its nucleus. As revealed by surveys, about two-thirds of spiral galaxies, including our own Milky ...
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  9. science.nasa.gov

    NGC 6956 is a barred spiral galaxy, a common type of spiral galaxy with a bar-shaped structure of stars in its center. This galaxy exists 214 million light-years away in the constellation Delphinus. Scientists used NASA's Hubble Space Telescope to image NGC 6956 to study its Cepheid variable stars, which are stars that brighten and dim at ...
  10. telescopenerd.com

    Dec 7, 2024Barred spiral galaxies exist in abundance: They account for 60-70% of all spiral galaxies. The Milky Way's classification: It is a confirmed barred spiral galaxy through observations and simulations. Structure of barred spiral galaxies: Central bars with arms connecting at the ends create a spiral pattern.
  11. universeunriddled.com

    May 11, 2023Barred spiral galaxies are formed as a result of density waves in the interstellar gas and dark matter halo that surrounds the galaxy, and they are the most common type of galaxy in the universe. Barred Spiral Galaxy Facts. Barred spiral galaxies are fascinating celestial objects that have captured the attention of astronomers and stargazers alike.
  12. universetoday.com

    Spiral galaxies are familiar to every school child, and the barred type is probably just an older, more mature spiral galaxy. The bright bar is an area of concentrated stars and star-birth.

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