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Showing 1–5 of 5 results
Advanced filters: Author: Tim Rawle Clear advanced filters

  • Analysis of the JWST/NIRSpec spectrum of the recently observed Lyman-break galaxy JADES-GS+53.15508-27.80178 revealed a redshift of z = 7.3, a Balmer break and a complete absence of nebular emission lines, indicating that quenching occurred only 700 million years after the Big Bang.

    • Tobias J. Looser
    • Francesco D’Eugenio
    • Jan Scholtz
    ResearchOpen Access
    Nature
    Volume: 629, P: 53-57

  • JWST–NIRSpec spectroscopic confirmation of two luminous galaxies is presented, proving that luminous galaxies were already in place 300 million years after the Big Bang and are more common than what was expected before JWST.

    • Stefano Carniani
    • Kevin Hainline
    • Christopher N. A. Willmer
    ResearchOpen Access
    Nature
    Volume: 633, P: 318-322

  • An (ultraviolet) dust attenuation feature at 2,175 Å, attributed to carbonaceous dust grains in the Milky Way and nearby galaxies, also exists in galaxies up to a redshift of 7.

    • Joris Witstok
    • Irene Shivaei
    • Christopher N. A. Willmer
    ResearchOpen Access
    Nature
    Volume: 621, P: 267-270

  • Seventeen molecular clouds are identified in a Milky Way progenitor at z = 1.036, with higher masses, surface densities and supersonic turbulence than present-day analogues. Their properties reflect the hostile ambient interstellar conditions prevalent in distant galaxies and suggest they formed by fragmentation of a turbulent galactic gas disk.

    • Miroslava Dessauges-Zavadsky
    • Johan Richard
    • Paul P. van der Werf
    Research
    Nature Astronomy
    Volume: 3, P: 1115-1121