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Astronomers have observed two exceptionally powerful X-ray jets emerging from ancient supermassive black holes, illuminating light from the afterglow of the Big Bang, according to Jaya Maithil, a postdoctoral research fellow at the Harvard and Smithsonian Center for Astrophysics. The discovery was presented at the 246th meeting of the American Astronomical Society in Anchorage, Alaska.
Data from NASA's Chandra X-ray Observatory and the Karl G. Jansky Very Large Array revealed that each jet spans approximately 300,000 light-years, nearly three times the diameter of the Milky Way galaxy, and originates from quasars located around 11.6 and 11.7 billion light-years away. These jets were observed during a period when the universe was about 3 billion years old.
The study suggests that the jets are capable of transforming cosmic microwave background (CMB) radiation into X-rays, making them visible across vast distances, despite their proximity to the brilliant cores of their respective quasars. This work offers new insights into the growth of galaxies and their supermassive black holes during the universe's nascent phases.