News From the Field
Dwarf dark galaxy hidden in ALMA gravitational lens image
April 14, 2016
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 Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Subtle distortions hidden in an image from the NSF-funded Atacama Large Millimeter/submillimeter Array (ALMA) are telltale signs that a dwarf dark galaxy is lurking in the halo of a much larger galaxy nearly 4 billion light-years away. This discovery paves the way for ALMA to find many more such objects and could help astronomers address important questions on the nature of dark matter.Full Story
National Radio Astronomy Observatory
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