Based in Brazil, Fernanda Ferreira is a science writer who covers a range of STEM (and occasionally non-STEM) topics, from textile conservation to vaccine stockpiles.
From the very beginning, it was clear that the Phoenix cluster was different from other galaxy clusters. When assistant professor of physics Michael McDonald looked at the first image of the Phoenix cluster taken by the Magellan Telescope in Chile, he saw an unexpected hazy circle of blue.
