Alcyonea, the largest radio galaxy ever observed

3 billion light-years from our tiny planet lurks a galaxy unlike any we’ve ever seen before. In fact, Alcyonée is a giant radio galaxy measuring 16.3 million light-years across, making it the largest known structure of galactic origin. In Greek mythology, Alcyoneus was one of the greatest giants, the son of Ouranos (Heaven) and Gaia … Read more

Alcyonea, the largest radio galaxy ever observed

You will also be interested [EN VIDÉO] Radio astronomy captures distant galaxies that give birth to stars Thanks to the International Low Frequency Array (LOFAR), a vast network of 70,000 radio telescopes spread across Europe, astronomers have obtained breathtaking images of the youth of our universe. Tens of thousands of galaxies trapped as they formed … Read more