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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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Massive neutron star has a strange heart

New research reveals the probable existence of a strange quark matter core in massive neutron stars. The study sheds new light on the equation of state of dense matter, bridging the gap between hadronic and quark matter states.

May 18th, 2023

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Webb finds water, and a new mystery, in rare main belt comet

Using Webb's NIRSpec (Near-Infrared Spectrograph) instrument, astronomers have confirmed gas - specifically water vapor - around a comet in the main asteroid belt for the first time, indicating that water ice from the primordial solar system can be preserved in that region.

May 15th, 2023

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