, suggesting that active galactic nuclei (AGN) or intense starbursts provide enough feedback to "quench" or stop star formation.
, explores how measurements of supernovae at this specific redshift help scientists pinpoint exactly when dark energy began to dominate over matter, causing the expansion to speed up. : Redshifts between (centered around
: Data from the GOODS NICMOS survey suggests that massive galaxies at (within the , suggesting that active galactic nuclei (AGN) or
: Studies using the James Webb Space Telescope (JWST) and other deep-space surveys focus on galaxies at
: For much of its history, the universe's expansion was slowing down due to gravity. Scientific research, such as that detailed in the article Snapping Supernovae at Scientific research, such as that detailed in the
: Future missions like the Nancy Grace Roman Space Telescope (formerly WFIRST) plan to measure thousands of Type Ia supernovae up to to better calibrate dark energy models. Other Uses of "1.7z"
range) were significantly more compact—up to four times smaller—than similar-mass galaxies today. , suggesting that active galactic nuclei (AGN) or
: Scientists have observed high-velocity gas outflows in galaxies at