Astronomers observed SN 2025mkn, a Type II supernova at redshift 1.371, made visible by gravitational lensing from a foreground galaxy.
9 Billion Light Years distance
1.371 redshift
100–250× magnification
Astronomers observed SN 2025mkn, a Type II supernova at redshift 1.371, made visible by gravitational lensing from a foreground galaxy.