News From the Field
ALMA finds best evidence yet for galactic merger in distant protocluster
November 10, 2014
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Nestled among a triplet of young galaxies more than 12.5 billion light-years away is a cosmic powerhouse: A galaxy that is producing stars nearly 1,000 times faster than our own Milky Way. This energetic starburst galaxy, known as AzTEC-3, together with its gang of calmer galaxies may represent the best evidence yet that large galaxies grow from the merger of smaller ones in the early universe, a process known as hierarchical merging.Full Story
National Radio Astronomy Observatory
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