Giant Radio Halos around Spiral Galaxies More Common than Thought

Using one of the world’s greatest radio observatories, National Radio Astronomy Observatory’s Very Large Array (VLA), a group of astronomers has found that radio halos around the disks of spiral galaxies are much more common than previously thought. The team, directed by Dr Judith Irwin of Queen’s University in Kingston, ON, Canada, observed 35 nearby [...] —> Read More