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Understand stars, planets, galaxies, and the observations used to study them.
JWST spectroscopy places MoM-z14 at redshift 14.44, extending the confirmed galaxy frontier and sharpening questions about how luminous systems formed so early.
Baryon acoustic oscillations measured from more than 14 million galaxies and quasars fit standard cosmology, yet combined datasets increasingly prefer evolving dark energy.
A star’s mass sets the broad direction of its life, from collapse inside a cold cloud to a white dwarf, neutron star, or black hole.