A deep guide to active galactic nuclei—accretion disks, jets, the unified model, SMBH growth, feedback, and how AGN shape galaxies across cosmic time.
Active Galactic Nuclei: Quasars, Jets, and Feedback Read More »
Explore dark matter evidence from rotation curves and lensing to WIMPs, axions, and detection experiments shaping modern cosmology.
Dark Matter Explained: Evidence, Candidates, Detection Read More »
Understand dark matter: evidence from galaxies to the CMB, leading candidates, direct/indirect detection, lensing maps, simulations, small-scale puzzles, and what’s next.
Dark Matter Explained: Evidence, Searches, Future Read More »
Black holes explained: types, formation, accretion disks, jets, EHT images, gravitational waves, mass/spin, AGN feedback, and how GR is tested—accessible and rigorous.
Black Holes: Formation, Accretion, Jets, and Tests Read More »
Dive into neutron stars: formation, structure, magnetars, pulsar timing, kilonovae, NICER radius results, and what GW170817 reveals about dense matter.
Neutron Stars, Pulsars, and Magnetars Explained Read More »
A clear guide to dark matter: galactic evidence, lensing, CMB, WIMPs vs axions, direct/indirect detection, alternatives like MOND, and future experiments.
Dark Matter Explained: Evidence, Candidates, Detection Read More »
How astronomers measure distances: parallax, Cepheids, Type Ia supernovae, TRGB, Tully–Fisher, BAO, CMB, standard sirens, the Hubble constant, and its tension.
Cosmic Distance Ladder: Parallax, Cepheids, BAO Read More »
Transit, radial velocity, imaging, microlensing, and astrometry—how exoplanets are discovered and characterized, with tools, pitfalls, and what comes next.
How We Find Exoplanets: Methods and Milestones Read More »