How do we know how far away and early in the universe galaxies are?
Submit on Saturday, April 15th, 2023 03:12
The James Webb Space Telescope has spotted galaxies further away in the universe than any other instrument before. How can we be sure these early galaxies aren’t closer and more recent?
This entry was posted on Saturday, April 15th, 2023 at 3:12 am and is filed under NEWS. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.