NASA’s Webb Telescope May Have Solved the Mystery of the Universe’s ‘Little Red Dots’
3 Articles
3 Articles
The James Webb Telescope Is Changing Astronomers’ Understanding of the Ancient Cosmos
From how galaxies form to the beginnings of the universe, the images from the space telescope are giving cosmologists new data to explore—and theories to build out.
The James Webb has just delivered something that no telescope had achieved before: a single photograph where you can see, at the same time, all the stages of the birth of a star. It is not a journalistic metaphor, it is literal. In the same frame there appear stellar embryos wrapped in dust, jets of gas fired at full speed and young stars that have already cleaned their surroundings. The region photographed is called OMCO-2, a corner of the mole…
NASA’s Webb telescope may have solved the mystery of the universe’s ‘little red dots’
A spiral galaxy called the Saguaro may show what some mysterious little red dots become as the universe ages. When astronomers simulated moving the galaxy farther away, its spiral arms vanished from view and only its bright red center remained. The result suggests many little red dots may sit inside faint galaxies that current telescopes cannot fully detect. A bright red point glows at the center of an enormous spiral galaxy more than 10 billion…
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