Ancient Radio Signal Offers Insights into the Universe's Early Formation
Radio signal that travelled 10 billion years may hold clues to the universe’s early history
Image: The Times Of India
A radio signal, FRB 20240304B, originating over 10 billion years ago, has been detected, providing scientists with valuable insights into the universe's early history. This discovery, made using the MeerKAT telescope in South Africa, reveals conditions during the universe's rapid star formation phase, known as 'cosmic noon'.
- 01FRB 20240304B is the most distant localized fast radio burst detected, originating when the universe was about 3 billion years old.
- 02The signal was detected by the MeerKAT radio telescope and has a redshift measurement of 2.148 ± 0.001.
- 03The host galaxy of the signal has a stellar mass approximately 10 million times that of the Sun and is actively forming stars.
- 04This discovery doubles the highest redshift recorded for localized fast radio bursts, enhancing understanding of the cosmic web.
- 05The signal exhibited unusual polarization characteristics, suggesting the presence of complex magnetic fields along its path.
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Scientists have detected a powerful radio signal, known as FRB 20240304B, which originated over 10 billion years ago, providing a glimpse into the universe's early history during a period termed 'cosmic noon'. This fast radio burst, detected by the MeerKAT radio telescope in South Africa, occurred when the universe was approximately 3 billion years old, during a phase of rapid star formation. The signal's redshift was measured at 2.148 ± 0.001, indicating its vast distance and age. Researchers utilized the James Webb Space Telescope to trace the signal back to its host galaxy, which is characterized by a stellar mass about 10 million times that of the Sun and a star formation rate of roughly 0.2 solar masses annually. This discovery significantly enhances the understanding of the cosmic web, as high-redshift fast radio bursts like FRB 20240304B serve as valuable probes of early cosmic conditions. The signal also displayed unusual polarization characteristics, hinting at complex magnetic fields along its path, which may provide insights into galactic formation and matter distribution in the universe.
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