JADES-GS-z14-0 existed around the time of the Cosmic Dawn. <\/p>
The James Webb Space Telescope has observed the most distant galaxy ever seen, named JADES-GS-z14-0, a galaxy that exists just 290 million years after the Big Bang.<\/p>
The observations are part of a study using Webb to explore the Cosmic Dawn: the period when the first stars<\/a> and galaxies<\/a> were formed after the birth of the Universe.<\/p> The Universe is 13.8 billion years old, but because light takes time to travel across space, by peering deep into the cosmos, astronomers can effectively look back in time<\/a>.<\/p> The deeper astronomers look into the distant Universe, the further back they can see.<\/p> What’s more, the light that’s making its way to our telescopes, travelling millions and billions of lightyears<\/a> across the Universe, is stretched by the expansion of the Universe<\/a>.<\/p> This stretching is known as ‘redshift<\/a>‘ because the light is stretched to the red end of the spectrum, and this is why Webb – with its infrared vision – is so good at detecting very early galaxies.<\/p> In October 2023 and January 2024, a team of astronomers used the James Webb Space Telescope to observe galaxies as part of the JWST Advanced Deep Extragalactic Survey<\/a> (JADES) programme.<\/p> Webb\u2019s NIRSpec (Near-Infrared Spectrograph) instrument detected the record-breaking galaxy, known as JADES-GS-z14-0.<\/p> JADES-GS-z14-0 appears to us as it existed just 290 million years after the Big Bang, when the Universe was in its infancy.<\/p> This amounts to a redshift of about 14, the measure of how much the galaxy\u2019s light has been stretched by the expansion of the Universe.<\/p>How JADES-GS-z14-0 was found<\/strong><\/h2>