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Black holes! Supernovas! Merging galaxies! Oh my! Largest radio survey of the cosmos ever reveals 13.7 million powerful cosmic objects and events

Latest from Space.com·@RobertLea·2 months ago
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Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your newsletter sign-up was successful Want to add more newsletters? Astronomers have used the world's largest and most sensitive low-frequency radio telescope array LOFAR (or Low-Frequency Array), to create the largest radio survey of the cosmos, revealing 13.7 million cosmic objects and events. These include jets erupting from feeding supermassive black holes, colliding galaxies, and supernova explosions that mark the deaths of massive stars and the births of unimaginably dense neutron stars. The so-called LOFAR Two-meter Sky Survey (LoTSS-DR3) provides an impressive demonstration of how our view of the universe changes when astronomers switch from the wavelengths of light that our eyes have evolved to see to invisible radio waves.…

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