Webb space telescope’s mid-infrared capabilities allowed scientists to see past gas and dust clouds to observe previously obscured details in faraway galaxies. A team of researchers has been able to see inside faraway spiral galaxies for the first time to study how they formed and how they change
Researchers are getting their first glimpses inside distant spiral galaxies to see how stars formed and how they change over time, thanks to the James Webb Space Telescope’s ability to pierce the veil of dust and gas cloud. Credit: Science: NASA, ESA, CSA, Janice Lee , Image Processing: Joseph DePasquale
“This is light that is longer wavelength and represents cooler objects than the light we see with our eyes,” says Rosolowsky.James Webb Space Telescope artist concept. Credit: NASA From the collected images, they were able to determine the age of the stars. They discovered they were observing young stars which “erupt[ed] onto the scene practically instantaneously, far faster than a lot of models had predicted,” says Rosolowsky.
The researchers also found a close relationship between the mass of stars in a region and how bright they were. “It turns out this was a brilliant way to find high-mass stars,” says Rosolowsky. It’s a complex process, with each new star formation playing a larger role in how the galaxy changes over time, adds Hassani.
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