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An X-ray look at the heart of powerful quasars

Researchers have observed the X-ray emission of the most luminous quasar seen in the last 9 billion years of cosmic history, known as SMSS J114447.77-430859.3, or J1144 for short. The new perspective sheds light on the inner workings of quasars and how they interact with their environment.

May 19th, 2023

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Rings of Quaoar

Astronomers discover a second 'impossible' ring around the trans-Neptunian object Quaoar

May 19th, 2023

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