![]() ![]() Since then, the EHT collaboration has looked into the data of the supermassive item at the heart of the M87 galaxy compiled in 2017, and they have discovered that a significant fraction of light around black hole M87 is polarised. The first image of a black hole was published on 10 April 2019, revealing a bright ring-shaped structure with a dark central region: the shadow of the black hole. “This is unique proof to understand how magnetic fields around black holes behave, and how the activity in this compact region of space can launch powerful streams that go beyond the galaxy”, explains Monika Mościbrodzka, coordinator of the Polarimetry work group of the EHT and assistant lecturer at the University of Radbout (Holland). These observations are key to explain how galaxy M87, located 55 million light years away, can shoot highly-energetic material from its nucleus.Īmong the specialists from different countries that have contributed to this project are astronomers Iván Martí-Vidal and Alejandro Mus, from the University of Valencia. ![]() This is the first time that astronomers have been able to measure the polarisation (the “signature” of magnetic fields) so close to the event horizon of a black hole. ![]() The Event Horizon Telescope (EHT) collaboration, which produced the first image of a black hole, recently revealed a new image of the massive object at the heart of galaxy M87: how it is viewed in polarised light. A new landmark has been reached in astronomic observation by analysing the supermassive black hole of M87 in polarised light. ![]()
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