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OUR TURBULENT GALAXY.

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Title: OUR TURBULENT GALAXY.
Authors: FINKBEINER, ANN (AUTHOR)
Source: Scientific American. Feb2024, Vol. 330 Issue 2, p20-27. 8p. 3 Color Photographs.
Subjects: Galaxy mergers, Milky Way, Stellar populations, Stars, Galaxies, Galactic halos
Abstract: New star maps, created using data from the Gaia observatory, are providing astronomers with a more detailed understanding of the Milky Way. These maps challenge previous assumptions of stability and order, revealing a turbulent history for the galaxy. Astronomers have discovered streams of stars in the galaxy's halo, indicating past collisions with smaller galaxies, and have identified different populations of stars within the Milky Way, suggesting a transformation from a protogalaxy to a fully formed galaxy. Additionally, data from the Gaia spacecraft has allowed astronomers to map gas clouds and stars in the Milky Way, revealing long, threadlike gas clouds that may serve as birthplaces for new stars, as well as other gas structures that could be related. These findings provide valuable insights into the structure and history of our galaxy. [Extracted from the article]
Copyright of Scientific American is the property of Scientific American and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Periodical
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IllustrationInfo
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  Data: OUR TURBULENT GALAXY.
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  Data: <searchLink fieldCode="AR" term="%22FINKBEINER%2C+ANN%22">FINKBEINER, ANN</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Scientific+American%22">Scientific American</searchLink>. Feb2024, Vol. 330 Issue 2, p20-27. 8p. 3 Color Photographs.
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  Data: <searchLink fieldCode="DE" term="%22Galaxy+mergers%22">Galaxy mergers</searchLink><br /><searchLink fieldCode="DE" term="%22Milky+Way%22">Milky Way</searchLink><br /><searchLink fieldCode="DE" term="%22Stellar+populations%22">Stellar populations</searchLink><br /><searchLink fieldCode="DE" term="%22Stars%22">Stars</searchLink><br /><searchLink fieldCode="DE" term="%22Galaxies%22">Galaxies</searchLink><br /><searchLink fieldCode="DE" term="%22Galactic+halos%22">Galactic halos</searchLink>
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  Label: Abstract
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  Data: New star maps, created using data from the Gaia observatory, are providing astronomers with a more detailed understanding of the Milky Way. These maps challenge previous assumptions of stability and order, revealing a turbulent history for the galaxy. Astronomers have discovered streams of stars in the galaxy's halo, indicating past collisions with smaller galaxies, and have identified different populations of stars within the Milky Way, suggesting a transformation from a protogalaxy to a fully formed galaxy. Additionally, data from the Gaia spacecraft has allowed astronomers to map gas clouds and stars in the Milky Way, revealing long, threadlike gas clouds that may serve as birthplaces for new stars, as well as other gas structures that could be related. These findings provide valuable insights into the structure and history of our galaxy. [Extracted from the article]
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  Data: <i>Copyright of Scientific American is the property of Scientific American and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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    Identifiers:
      – Type: doi
        Value: 10.1038/scientificamerican0224-20
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      – Code: eng
        Text: English
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    Subjects:
      – SubjectFull: Galaxy mergers
        Type: general
      – SubjectFull: Milky Way
        Type: general
      – SubjectFull: Stellar populations
        Type: general
      – SubjectFull: Stars
        Type: general
      – SubjectFull: Galaxies
        Type: general
      – SubjectFull: Galactic halos
        Type: general
    Titles:
      – TitleFull: OUR TURBULENT GALAXY.
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              Text: Feb2024
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              Y: 2024
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