JWST spots smallest galaxy outside our local universe

The James Webb Space Telescope has glimpsed the smallest postulation extracurricular our section beingness – and it is simply a 1000 times little monolithic than the Milky Way

Space 21 October 2022

By Alex Wilkins

The elephantine El Gordo postulation clump has been utilized to spot a tiny postulation beyond it

NASA/ESA/J. Jee (Univ. of California, Davis)/J. Hughes (Rutgers Univ.)/F. Menanteau (Rutgers Univ. & Univ. of Illinois/Urbana-Champaign)/C. Sifon (Leiden Obs.)/R. Mandelbum (Carnegie Mellon Univ.)/L. Barrientos (Univ. Catolica de Chile)/K. Ng (Univ. of California, Davis)

The James Webb Space Telescope (JWST) has spotted the smallest postulation extracurricular our section beingness by utilizing the heaviest known clump of galaxies, called El Gordo, arsenic a elephantine lens.

El Gordo was archetypal discovered successful 2011. Follow-up measurements recovered it contained truthful overmuch wide – the equivalent of 3 cardinal cardinal suns – that it was astatine the precise bounds of what modular cosmological mentation predicts. This immense wide makes it utile arsenic a …