Articles / Features / X-ray binaries

Features: X-ray binaries

Long-form features on the astrophysics under Pax Abyssi, with every source cited, from the Pax Abyssi Science Desk. The weekly devlog and news from the studio sit beside them.

A black circle ringed by a thin bright line, surrounded by a swirling blue-white disk of gas seen at a low angle, with stars scattered across the black sky behind.

Black holes15 min read27 Sep 2026

Four black holes, and why most of them are dark

Pax Abyssi lets you fly to four real black holes, from Cygnus X-1, fed by the wind of a blue supergiant, to the starved giant at the centre of the Milky Way. What you would see from each depends above all on what it eats.