When the James Webb Space Telescope (JWST) began sending home its first deep-space images, astrophysicists knew that its suite of instruments would glimpse never-before-seen cosmological objects.
Enormous Galaxy Clusters Found to be 1.3 Billion Light-Years Wide, Deemed to be The Largest Known Structure In a monumental ...
Drawing upon data from Vesto Slipher and Henrietta Leavitt, Hubble demonstrated a correlation between galactic distance and redshift. ... We now know this is due to cosmic expansion. Space itself ...