AUTHOR=Panda Swayamtrupta TITLE=Unveiling the quasar main sequence: illuminating the complexity of active galactic nuclei and their evolution JOURNAL=Frontiers in Astronomy and Space Sciences VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/astronomy-and-space-sciences/articles/10.3389/fspas.2024.1479874 DOI=10.3389/fspas.2024.1479874 ISSN=2296-987X