Free Astronomy Magazine March-April 2026

8 MARCH-APRIL 2026 ASTRO PUBLISHING A rtist’s impression showing a low- Earth-orbit satellite observing artificial night-time illumina- tion over populated regions. [A. Anfuso] A tmospheric scattering of artificial light, pro- ducing elevated sky brightness near the hori- zon even far from major light sources. [A. Anfuso]