A newly released survey from the COSMOS-Web project provides the biggest ever window into the deepest parts of our universe, including detailed views of almost 800,000 galaxies and a look at the universe when it was essentially a toddler.
The COSMOS-Web is an ongoing survey that makes use of NASA’s ultra-powerful James Webb Space Telescope to peer deep into the earliest days of the universe and see how galaxies form over time. COSMOS2025, the project’s most recent release of publicly available data, is the result of dozens of scientists spending hundreds of hours working with the James Webb Space Telescope’s images. It offers the clearest and largest glimpse of how galaxies like our Milky Way formed.
“There’s a very rich variety of galaxies out there in the universe –– some like our Milky Way, some a little larger, most much smaller –– and they change over cosmic time,” says Jacqueline McCleary, an assistant professor of physics at Northeastern University who assisted on the survey. “They’re not fixed: They grow, they evolve, they die. This process is complicated and mysterious, and the COSMOS project was an attempt to get a handle on this.”
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Photo credit: NASA
