When my colleagues and I set to work on a century-old cosmic mystery, we found an unexpected celestial laboratory in Terzan 5, a dense star cluster currently plunging through our galaxy at breakneck speed. When my colleagues and I set to work on a century-old cosmic mystery, we found an unexpected celestial laboratory in Terzan 5, a dense star cluster currently plunging through our galaxy at breakneck speed. Astronomy Phys.org – latest science and technology news stories
A galactic ‘comet’ called Terzan 5 illuminates a 100-year-old puzzle about cosmic rays
