ALMA image of quasar merger

antlia

60-Second Astro News: A Carnivorous Quasar and a Galaxy Ghost

In astronomy news this week: The most luminous quasar known in the cosmos is devouring three galaxy companions, while a newly discovered ghostly satellite of the Milky Way hints at hordes more just waiting to be found.

Supermassive black hole binary (art)

Black Holes

Supermassive Black Holes Observed in Close Dance

Astronomers monitoring a tight pair of supermassive black holes have observed their orbital motion.

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