The James Webb Space Telescope (JWST) keep harvesting amazing pictures and invaluable data for researchers, is that Hubble’s replacement has lived up to all expectations.
After having captured stars, planets, nebulae, and entire galaxies with their infrared instruments, this time he pointed to the depths of the cosmos, capturing objects almost as old as the universe itself.
From the POT point out that the JWST has captured the light of these galaxies, It has taken more than 13.4 billion years to reach us.since these galaxies date from less than 400 million years after the big bang, when the universe was only 2% of its current age.
“See the spectrum revealed as we expected, confirming that these galaxies are at the actual edge of our viewsome further than Hubble could see! It is a tremendously exciting achievement for the missionsaid astronomer and co-author Emma Curtis-Lake of the University of Hertfordshire in the UK.
350 million years after the Big Bang
Investigation of the faintest and earliest galaxies was the main motivation behind the concepts of James Webb’s instrumentswho is also equipped to find planets outside the solar system.
“For the first time, we have discovered galaxies just 350 million years after the Big Bangand we can be absolutely sure of their fantastic distances,” shared co-author Brant Robertson of the University of California Santa Cruz.
The galaxies of the early universe they can be distinguished by a telltale appearance of their multi-wavelength colorsthose that are stretched on request as they travel through space-time, allowing us to measure the distance they have traveled until they reached our instruments.