Euclid Space Telescope Spots Earliest Known Quasars
The European Space Agency's Euclid space telescope has identified 31 of the universe's most ancient quasars. Among these, two stand out as the earliest quasars ever observed in cosmic history. These exceptionally luminous galaxy cores, fueled by massive black holes, emitted light equivalent to a trillion suns when the universe was only 670 million years old. This age represents a mere 5% of the universe's current estimated age.
The discovery of these ancient quasars by the Euclid telescope offers a significant empirical dataset for cosmological models concerning the early universe. Analyzing the properties of these early quasars can refine our understanding of black hole formation and growth rates in the nascent cosmos, as well as the reionization epoch. This data may challenge or support existing theories about the conditions present when the first large-scale structures began to form. Future research will likely focus on correlating these findings with other early universe observations to build a more comprehensive picture of cosmic evolution.
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