First space signal travels 63 light-years
Scientists from Harvard and Smithsonian Centers and the University of Oregon have successfully detected a direct radio signal from an exoplanet, marking the first achievement of its kind. The planet in question is "Beta Pictoris b." This signal, which took 63 light-years to reach Earth, results from the planet’s auroras and serves as evidence of a strong magnetic field, surpassing the magnetic strength of Earth by thousands of times. Researchers used the MERCAT telescope in South Africa, and by precisely pinpointing the source of the signal, they confirmed that the emissions originate from the planet itself, rather than the star it orbits. These findings represent a significant step toward understanding the planet’s internal structure and its evolution, with the energy needed to generate these emissions likely coming from its rapid rotation. This discovery paves the way for further studies of other planets, with expectations of detecting similar signals from future exoplanets.
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