page_title: GN-z11
hierarchical_section_title: GN-z11
caption_attribution_description: Nederlands: Sterrenstelsel GN-z11 Ελληνικά: Ο Γαλαξίας GN-z11 English: Hubble Space Telescope astronomers, studying the northern hemisphere field from the Great Observatories Origins Deep Survey (GOODS), have measured the distance to the farthest galaxy ever seen. The survey field contains tens of thousands of galaxies stretching far back into time. Galaxy GN-z11, shown in the inset, is seen as it was 13.4 billion years in the past, just 400 million years after the big bang, when the universe was only three percent of its current age. The galaxy is ablaze with bright, young, blue stars, but looks red in this image because its light has been stretched to longer spectral wavelengths by the expansion of the universe. Français&#160;: Les astronomes du télescope spatial Hubble, qui étudient le champ de l'hémisphère nord depuis le Great Observatories Origins Deep Survey (GOODS), ont mesuré la distance jusqu'à la galaxie la plus éloignée jamais vue. Le champ d'investigation contient des dizaines de milliers de galaxies s'étendant loin dans le temps. La galaxie GN-z11, montrée dans l'encart, est vue comme elle était il y a 13,4 milliards d'années, soit à peine 400 millions d'années après le Big Bang, lorsque l'univers avait seulement trois pour cent de son âge actuel. La galaxie est bordée de jeunes et brillantes étoiles bleues, mais qui semblent rouge dans cette image car la longueur d'onde spectrale de leur lumière a été étirée par l'expansion de l'univers.
context_page_description: GN-z11 is a high-redshift galaxy found in the constellation Ursa Major. The discovery was published in a paper headed by P.A. Oesch and Gabriel Brammer. GN-z11 is currently the oldest and most distant known galaxy in the observable universe. GN-z11 has a spectroscopic redshift of z = 11.09, which corresponds to a proper distance of approximately 32 billion light-years.
  The object's name is derived from its location in the GOODS-North field of galaxies and its high cosmological redshift number. GN-z11 is observed as it existed 13.4 billion years ago, just 400 million years after the Big Bang; as a result, GN-z11's distance is sometimes inappropriately reported as 13.4 billion light-years, its light-travel distance measurement.
context_section_description: GN-z11 is a high-redshift galaxy found in the constellation Ursa Major. The discovery was published in a paper headed by P.A. Oesch and Gabriel Brammer (Cosmic Dawn Center). GN-z11 is currently the oldest and most distant known galaxy in the observable universe. GN-z11 has a spectroscopic redshift of z = 11.09, which corresponds to a proper distance of approximately 32 billion light-years (9.8 billion parsecs).
  The object's name is derived from its location in the GOODS-North field of galaxies and its high cosmological redshift number (GN + z11). GN-z11 is observed as it existed 13.4 billion years ago, just 400 million years after the Big Bang; as a result, GN-z11's distance is sometimes inappropriately reported as 13.4 billion light-years, its light-travel distance measurement.
caption: GN-z11 superimposed on an image from the GOODS-North survey
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