A Cosmic Time Machine: How the James Webb Space Telescope Lets Us See the First Galaxies in the Universe

https://ift.tt/cnoR4yG A Cosmic Time Machine: How the James Webb Space Telescope Lets Us See the First Galaxies in the Universe NASA’s James...

https://ift.tt/cnoR4yG A Cosmic Time Machine: How the James Webb Space Telescope Lets Us See the First Galaxies in the Universe NASA’s James Webb Space Telescope sent back breathtaking photos of our universe last week, including ones that give us a chance to see faint distant galaxies as they were more than 13 billion years ago. The JWST photos also raise interesting points about how the expansion of the Universe factors into the way we calculate distances at a cosmological scale. Here’s h...

By DEEPU AHIRWAR