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An international team of astronomers have employed the Spektr-RG spacecraft and various ground-based telescopes to ...

Astronomers have crafted a map of the most powerful form of supermassive black holes across several billion light years of space. The three-dimensional map plots the locations of 1.3 million quasars, ...

Cosmic rays, high-energy particles that travel through space, have puzzled scientists for decades. One particular feature of ...

Plenty of groups have been theorizing about primordial black holes (PBHs) recently. That is in part because of their candidacy as a potential source of dark matter. But, if they existed, they also had ...

When it comes to quasars and the light they emit, we can say New Mexico State University Professor Christopher W. Churchill ...

An international effort led by astrophysicists at the Niels Bohr Institute, University of Copenhagen, and the Technical University of Denmark, have identified a distant object with properties that lie ...

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In a groundbreaking study published on arXiv, astronomers from Seoul National University, South Korea, and collaborators across the globe have uncovered 62 new luminous quasars as part of the All-sky ...

Quasars, first identified in 1963, are highly luminous, star-like astronomical objects characterized by significant redshifts, indicating their immense distances and their emission of more energy than ...

M. Perri (5,6) ((1) STScI, (2) ESA, (3) JCA, UMBC, (4) Hamburg Observatory, Germany, (5) ASDC, ASI, Italy, (6) Phys. Dept., Univ. La Sapienza, Roma, Italy) ...