A cosmic time machine: how the James Webb Space Telescope lets us see the first galaxies in the universe

Image: NASA/JWST It has been an exciting week with the release of breathtaking photos of our Universe by the James Webb Space Telescope (JWST). Images such as the one below give us a chance to see faint distant galaxies as they were more than 13 billion years ago. It’s the perfect time to step back … Continue reading A cosmic time machine: how the James Webb Space Telescope lets us see the first galaxies in the universe