The universe’s oldest X-ray quasar may reveal how the largest black holes were born

Astronomers using NASA James Webb Space Telescope (JWST) and the Chandra X-ray Observatory have discovered the oldest and most distant X-ray-spitting quasar in the known universe, and it appears to be powered by the “seed” of an ancient supermassive black hole.

Quasars are the bright hearts of active galaxies fueled by active supermassive black holes that cause the intruding material to emit intense thermal radiation. as they feed. Quasars can be so bright across the electromagnetic spectrum that they often exceeds the combined light of each star in the galaxy around them.

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