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Search resuls for: "Max Planck Institute for Radio Astronomy"


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Scientists detect oxygen in noxious atmosphere of Venus
  + stars: | 2023-11-08 | by ( Will Dunham | ) www.reuters.com   time to read: +4 min
Data from NASA's Magellan spacecraft and Pioneer Venus Orbiter is used in an undated composite image of the planet Venus. Its thick and noxious atmosphere is dominated by carbon dioxide - 96.5% - with lesser amounts of nitrogen and trace gases. In fact, with Venus getting far less scientific attention than other planets such as Mars, the direct detection of its oxygen has remained difficult. They noted that this atomic oxygen, which consists of a single oxygen atom, differs from molecular oxygen, which consists of two oxygen atoms and is breathable. "The Venus atmosphere is very dense.
Persons: Heinz, Wilhelm Hübers, Hübers, Helmut Wiesemeyer, Max Planck, Wiesemeyer, Will Dunham, Rosalba O'Brien Organizations: NASA, JPL, Caltech, Handout, REUTERS, Rights, Venus, Boeing, German Aerospace Center, Nature Communications, Max Planck Institute for Radio Astronomy, Thomson Locations: SOFIA, Hawaii, Germany
But a black hole can also send powerful jets of material blasting across space and beyond its home galaxy. Previous observations have shown the jet and black hole separately, including the first direct image of a black hole, released in 2019. Astronomers believe that more material is falling toward the black hole in the new image, which is why the ring looks bigger. Studying black holesRecently, astronomers also used machine learning to release a cleaner, sharper version of the original M87 black hole image from 2019. The central region is darker and larger, surrounded by a bright ring as hot gas falls into the black hole.
[1/2] This image shows the jet and shadow of the black hole at the center of the M87 galaxy together for the first time. The supermassive black hole pictured resides at the center of a relatively nearby galaxy called Messier 87, or M87, about 54 million light-years from Earth. This black hole, with a mass 6.5 billion times that of our sun, was the subject of the first image of such an object ever obtained, released in 2019, with another black hole pictured last year. Seeing the entire scene in the vicinity of a supermassive black hole can be insightful. The EHT project has yielded the images of the two supermassive black holes.
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