The Curiosity rover, which is designed to explore Mars, has found an ancient oasis on Mars. Researchers working with the Curiosity rover have found salt-enriched…
A research team of astronomers, mainly from Ehime University and Kyoto University in Japan, has successfully detected a carbon emission line in the most distant radio galaxy known so far in the early universe. Using the Faint Object Camera and Spectrograph FOCAS on the Subaru Telescope, the team observed the radio galaxy TN J0924-2201, which has a high redshift value of more than 5 (z = 5.19) and is 12.5 billion light years away , and was able to measure its chemical composition for the first time. Radio galaxies, compared with “normal” galaxies have a much more powerful radio emission and belong to a class of galaxies with active nucleus.
Astronomers’ investigation of the detected carbon line showed tha t a significant amount of carbon existed as early as 12.5 billion years ago, less than a billion years after the Big Bang. This important finding contributes to our understanding of the chemical evolution of the universe and may provide clues about the chemical nature of humans, who are composed of various elements such as carbon and oxygen.
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