According to the authors of the study, the cold flow of intergalactic atomic carbon dioxide is so
Researchers led by Dr. BjornAmonts, an Associate Scientist at the National Radio Astronomy Observatory, used the Atakama Large Millimeter/Submillimeter Array (ALMA) to map the atomic carbon gas surrounding galaxy 4C 41.17.
4C41.17 is a large radio galaxy from the early universe. This means that the researchers had to maximize the sensitivity of the radio telescope to surface brightness using the most compact, low-resolution ALMA configuration.
The emission of carbon atoms in the flow is highlighted in blue. Photo: Emonts (NRAO/AUI/NSF)
According to the astronomers who published the resultsresearch in the journal Science, it is this low-resolution configuration that is likely to have helped to detect the cold molecular flow that was hidden and went unnoticed in previous studies. The new observations have revealed a narrow stream of cold gas extending at least 100 kiloparsecs (~326,000 light-years) out of the galaxy and into intergalactic space. It is several times larger than the galaxy it appears to be feeding.
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Credit: Spitzer Space Telescope - Caltech