Study inspects galaxy protocluster PHz G237.01+42.50

An international team of astronomers has performed spectroscopic observations of a distant galaxy protocluster known as PHz G237.01+42.50. Results of the study, presented in a paper published September 9 on the arXiv pre-print ...

A massive protocluster of merging galaxies in the early universe

Submillimeter galaxies (SMGs) are a class of the most luminous, distant, and rapidly star-forming galaxies known and can shine brighter than a trillion Suns (about one hundred times more luminous in total than the Milky Way). ...

Astronomers discover two new galaxy protoclusters

Using Keck Observatory in Hawaii, astronomers have detected two new protoclusters of galaxies embedded in primordial superclusters. The research paper presenting the discovery and providing basic information about the newfound ...

Oldest galaxy protocluster forms 'queen's court'

Using the Subaru, Keck and Gemini Telescopes, an international team of astronomers has discovered a collection of 12 galaxies that existed about 13.0 billion years ago. This is the earliest protocluster ever found. One of ...