Researchers are using the JamesWebbSpaceTelescope to study galaxies similar to our Milky Way to understand how they grow and evolve.
Recently astronomers used the James Webb Space Telescope to look at the structures of dust and gas which create stars in nearby galaxies. Now, some of the researchers have shared more about the findings and what they mean for our understanding of how galaxies form and evolve.
“We’re studying 19 of our closest analogues to our own galaxy,” explained one of the researchers, Erik Rosolowsky of the University of Alberta, in a statement. “In our own galaxy, we can’t make a lot of these discoveries because we’re stuck inside it.” “At 21 micrometers [the infrared wavelength used for the images collected], if you look at a galaxy you will see all of those dust grains heated with light from the stars,” said Hamid Hassani, another of the researchers. “The infrared light is really key to tracing the cold and distant universe.”
“The age of these [stellar] populations is very young. They’re really just starting to produce new stars and they are really active in the formation of stars,” said Hassani.
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Monster black hole may have killed this galaxy's star-forming power, James Webb Telescope revealsBen Turner is a U.K. based staff writer at Live Science. He covers physics and astronomy, among other topics like tech and climate change. He graduated from University College London with a degree in particle physics before training as a journalist. When he's not writing, Ben enjoys reading literature, playing the guitar and embarrassing himself with chess.
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