According to the ESA, the two oldest newly discovered quasars shone with the power of around one trillion suns.

Keystone-SDA

The Euclid space telescope mission, which is being led with Swiss participation, has discovered the two oldest quasars ever observed. They date back to a time when the universe was only around 670 million years old. The discovery provides valuable insights into the early history of the universe.

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July 6, 2026 - 09:45